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2010 98 (ft.) INACE Expedition Yacht

Inactive - This listing is not for sale at this time

General Information

Listing# 129651

Unknown, Virgin Islands, British
Boat Type
Model Year
Motor Yachts
Expedition Yacht
98 (ft.)
Hull Material
Fuel Type
Number of Engines

General Details


Boundless was conceived, designed and built to be a world Explorer yacht for a very experienced yachtsman and his family.
He wanted a highly sea kindly vessel with excellent efficiency, outfitted with the best equipment, a very strong over built structure and a handsome look. He required an over sized boat deck to handle extra large tenders, sailboats and extensive toys. Boundless's interior fit and finish had to be as sophisticated as her exterior. The engineering spaces had to be well thought out and easy to access and service. 

Most importantly, Boundless also had to be a home away from home, comfortable to live in, have all the features and amenities needed to support a active family while exploring the world, be comfortable in remote anchorages and be at home in the most demanding yacht clubs. 

Boundless exceeded all of her design briefs and stands out from the crowd in her looks and function.  


Boundless has a very elegant and flexible layout. Her interior was designed by Kirschstein yacht design out of London and was created to have a modern old world charm combining American cherry cabinets, paneling  with light wall coverings and floors and the use of extra large windows. The light coverings and windows creates a bright feel accented by the cherry wood. Brazilian granite is used extensively throughout the boat on counters and floors. In the heads you will find light granite with embedded fossilized sea creatures. All hardware, bathroom fixtures and wall coverings are of the highest quality. All edge and structural pieces to the cabinets and joinery are SOLID cherry.  The cabin layout and usage is quite unique and can be tailored to the needs of the owner. It provides for sumptuous full beam, midships master cabin with his and her head. There is extensive hanging locker space and drawers. Forward of the master are a VIP and a full size twin bed cabin with comfortable heads and showers. A 4th guest/captains cabin is forward of the stb VIP and has a  double bed and suite head. This cabin can either be separated from the other guest cabins via water tight door or can be left open and 2nd door can be closed between the crew and guest zone.  There is a twin crew cabin forward and an additional crew cabin aft of the engine room. This arrangement allows you to have either 4 crew forward plus an extra cabin for a fishing guide, dive guide or pilot or 8 guest with 3 or 4 crew between the cabins forward and aft.      
Aft Deck/Swim Platform
There is an extra large swim platform for easy deployment of water sports or off loading guest and gear. There is an over sized door to the lazerette on centerline. The lazerette door is sized to make it easy to move dive gear and other toys in and out. The engine room door is also oversized to allow for all equipment including gen sets and main engines to be removed if needed. There are underwater lights around the stern.  There are graceful stairs to port and stb that lead to a  spacious aft deck. The aft deck has an over sized settee with large split dining table finished in granite that comfortably sits 10. The boat deck over hang is pulled back to prevent water and sun from effecting the seating area. Forward against the bulkhead is a long buffet with granite top and built in chilled plate refrigeration system.    There are Muir 4000 warping windlasses to port and stb  A Nautical Structures Passerelle extending and rotating, comes out under the first step on the stb side.  The swim platform, steps and aft deck are covered in 5/8" teak which is glued down without fasteners. The teak extends up the side decks. 
You enter the saloon from the aft deck via double opening doors. The inside of the doors have been hand painted to match the interior wood. When you first step in, there is a granite floor in insert that protects the carpeted floors from moisture. You first come into a relaxed seating area for 10 persons with are chairs to stb and couches and chairs to port. The salon has extensive storage, air conditioning is routed through over head valances that allows it to fall into the room eliminating hot and cold spots. The windows are large and low allowing extensive light and easy viewing of outside activities and vistas.  Forward and to port of the seating area separated by  buffet with pop up TV and sound sound is a comfortable dining area 
The dining seating is a very clever multi use arrangement. There is a combination of chair seating and banquette seating. The outboard banquette seating is deep enough to create a wonderful lounging and reading area but also be comfortable to sit for dining. The combination allows for ease of service and ingress to the table. There is storage under the seating and round the dining area. The stb entrance is across from the dining area with granite step in insert that flows into the adjacent day head allowing guest to access the day head without concern for damp feet. Across from the day head is a wet locker. Forward of the dinning is a drinks area with fridge and stairs leading down to the lower deck guest area and up to the galley and pilothouse.    
Formal side entrance is across from the dining area with a granite step-in insert that flows into the adjacent day head, allowing guests to access the day head without concern for damp feet. Across from the day head is a most practical wet locker. Forward of the dining is a beverage station with fridge. Stairs lead down to the lower deck guest area and up to the galley and pilothouse.
Galley/Crew/Guest Breakfast Area
Going up the stairs from the salon you enter the Galley area with large settee with a table for crew and guest use.  The galley cooking area is to stb and is U shaped and fully equipped for extended cruising with the following equipment. Counter tops and table top are of high quality granite.  Galley equipment includes: Miele Induction stovetop with five burners Dacor stainless microwave Miele Excella stainless dishwasher Broan trash compactor Double galley sink with custom mixing valves Subzero 24 cu.ft. side-by-side fridge/freezer Additional appliances include stainless Sub-Zero and icemaker on the flybridge; Drinks fridge on the aft deck. The settee lounging area is to stb with large pull out pantry aft and TV. This area was created as a dual use zone, as a crew lounge eating area it can be separated from the lower dining by a door or open for owners and guest to use as a casual breakfast area.  The full beam with large windows to port and stb creates an open area and a bright place to enjoy company and surroundings. On the aft section there is a short set of easy stairs that lead to a full size door going out to the boat deck. Forward is a door to the wheelhouse.  This OPEN GALLEY arrangement can be separated from the wheelhouse and saloon to isolate and eliminate light and noise intrusion between them.    
Forward from the galley is centerline access to the pilothouse.    Boundless's pilothouse is first and foremost, a true working wheelhouse. Designed to be highly functional and comfortable at sea during extensive passage making. The expanse of windows creates excellent visibility. The electronics console was set back from the windows and the outside brow was extended forward to eliminate glare. The floor is finished in traditional teak and holly.  To stb is a raised settee with granite table. The settee was sized so that it could act as a "day bed" during passable making if required. To port is the communications area and captains desk. 
Electronics/AV List
BRIDGE : 1.     ICOM IC-M802 SSB DSC transceiver 2.     3 X ICOM IC-M604 VFH DSC radios with remote mics (one on flybridge) 3.     2 X Furuno SAT compasses 4.     Furuno FA-150 AIS 5.     2 X ACR RCL300A search lights 6.     Carlisle & Finch 45 million candle power search light with FLIR night vision camera 7.     Triple Kahlenberg horns with M511 control 8.     Exalto wiper controls 9.     4 X 19” Hatteland monitors 10.  Nobeltec Trident navigation software 11. Custom tankage, fire, bilge, and water tight door conning control 12.  2 X NavNet 3D sounder, plotter, radar (one on flybridge) 13.  Furuno black box radar (need to get the kW size for you) 14. Quantum zero speed stabilization 15.  Kobelt gear and steering controls 16.  2 X Simrad AP50 autopilots (two complete systems for redundancy) 17.  Quantum hydraulic bow thruster system 18.  Panasonic PBX telephone system 19.  5 X Raytheon security cameras with video source switching 20.  2 X 15” Furuno viewing screens, flybridge (no other model info shown) SALON : 1.     52” Samsung LED HDTV 2.     Russound STZ Smart tuner 3.     9 X Apple Airport express media servers for audio control in 9 different zones 4.     2 X Apple TV 5.     2 X Universal remote control MSC400 Master system controlers 6.     RTI remote system in all rooms and zones 7.     KVH Satellite TV system (no additional information on model on hand) 8.     KVH Mini VSAT system (no additional information on model on hand) 9.     Marantz MR1607 multizone receiver 10.  Samsung Blue Ray DVD player MASTER : 1.     40” Samsung LED HDTV 2.     Bose 5 speaker surround sound system 3.     Marantz MR1607 receiver 4.     Sony 3D Blue Ray DVD player PORT GUEST : 1.     31” Samsung LED HDTV 2.     Samsung Blue Ray DVD player 3.     Marantz surround sound 4.     RTI remote system STBD GUEST : 1.     31” Samsung LED HDTV 2.     Samsung Blue Ray DVD player 3.     Marantz surround sound 4.     RTI remote system CAPTAIN : 1.     31” Samsung LED HDTV 2.     Samsung Blue Ray DVD player 3.     RTI remote system   FORWARD CREW : 1.     2 X Samsung 21” LCD HDTV 2.     2 X Sony DVD player 3.     2 X Sony wireless headphones AFT CREW : 1.     31” Samsung LED HDTV 2.     Samsung Blue Ray DVD player 3.     RTI remote system IT NETWORK : 1.     2 X independent wireless data networks on board, one for AV network and the other for data use 2.     Cradlepoint 4G cell data server 3.     Cisco network switches 4.     Kerio IT system control manager offering separate accounts, data source management, and bandwidth control
KVH TracVision M9 satellite receiver – worldwide capability Kerio master controller 6 individual Direct-TV receivers Apple TV in master and saloon with full surround sound 8 media zones, each with wireless access to iPod /iPhone content Sophisticated yet simple system allows each social space and stateroom to select entertainment options
Hull Structure
Jon Overing's comments:  Boundless was built on Overing’s highly acclaimed fast displacement hull form.  This well proven hull form represents the pinnacle in seakeeping, efficiency and comfort. The proprietary entry and run greatly reduce pitching and dampen roll.  These full displacement hulls have consistently shown an ability to maintain higher cruising speeds in unfavorable conditions while still providing a very comfortable ride and low fuel consumption. 
Steel  h ull and deck structure  KEEL25mm x 200mm plate STEM25mm x 200mm plate FLOORS6mm plate SKEG BOTTOM PLATE50mm X 20mm plate SKEG SIDE PLATE10mm plate BOTTOM PLATING10mm & 12mm plate SIDE, TRANSOM PLATING8mm plate MAIN DECK PLATING6mm plate SWIM PLATFORM PLATING6mm plate BULKHEAD PLATING6mm plate TANK TOP PLATING6mm plate ENGINE FOUNDATION8mm & 10mm plate girders with 12mm x 100mm FB flange  BULWARK FRAMES6mm plate w/20mm  CRES316L  round bar face BULWARK CAP PLATE6mm  CRES 316L  plate HAWSE PIPE6” SCH 80 pipe,  CRES 316L ANCHOR POCKET20mm plate,  CRES 316L RUB RAILS6” SCH 80 split pipe, w/50mm x 12mm  CRES 316L  flat bar WINDLASS INSERT PLATE20mm  CRES 316L  plate FREEING PORT COAMING 20mm Diameter CRES 316L round bar SCUPPER COAMING½” IPS SCH 80  CRES 316L  pipe PORTLIGHT SPIGOTS6mm  CRES 316L  plate BOLLARD INSERTS20mm  CRES 316L  plate ANCHOR RUB BARS1” Diameter  CRES 316L  split Threaded  Cres 316L  inserts are installed in the hull to accept lifting eyes in the shaft and rudder areas Fore and aft sections of the bulwark adjacent to the boarding gates are  CRES 316L All stanchions in main deck  and boat deck are solid 1.5"stainless 316L round bar machine tapered and welded to oval 316L hand rails. Aluminum Superstructure: The superstructure is constructed of marine grade aluminum alloy, in general Plate 5083-H32 or H116 Extrusions 5086-H112, Pipe 5086-H32 A Tri-clad, bi-matallic bar conforming to Mil-j-2445A is used to join the aluminum to the steel main deck Small lockers or openings in the steel deck are done in  stainless 316L  to inhibit the formation of rust in hard to paint areas. All locker fronts and locker hatches have blind C type hinges There are "docking plugs" located at the top and bottom of the keel which is a separate compartment from the internal structure. The "docking plugs" allow you to check the integrity of the keel structure when the vessel is hauled out. The bulbous bow is separated from the forward pump room by a water tight hatch.     
Sound Control
A great deal of attention was put into sound control in all area of the vessel, transmission of sound and vibration from machinery spaces, external sources, like wind and sea and transmission between interior areas. Soundown and Van Capellen were used as sound consultants.  All areas were coated with V'DAmp-Dlbert Dumdum which provides not only sound but also a moisture barrier as well as increasing the "R"value, in addition to this 2 layers of 2" Rockwool/mineral wool battening was also used in most areas of the vessel. In the engine room in addition to the VDamp, 2 layers of 2" Rockwool with 1lb/sqft sheet lead was installed then finished with solid aluminum sheet. The area above the engine room in addition to the floating floor system was treated with VDamp and a sheet of lead.  Tank tops in the master stateroom were fitted with dampening materials and vibration tiles as was the area above the propellers. The main engines and transmissions where decoupled using soft mounts and thrust bearings. All equipment was soft mounted. A floating floor system was installed using Sylomer strips,  Mass Damping plywood and Sound down Acoustic Carpet Underlayment 2lb/ft2 density carpet padding was used. All joiner walls and finished panels are set on Sylomer L-12 strips creating a floating interior.  Boundless meets or exceeds the following sound levels. CONDITION 1: Moored in safe harbor with one generator running, no wind, with Air Conditioning at half speed; CONDITION 2:   Underway, 10 knot cruise (1250 RPM), force 3  with Air Conditioning at half speed;   AREA                CONDITION 1           CONDITION 2 Crew Cabins50 dB                          55dB Guest Cabins50 dB                          55dB Main Galley50 dB                          55dB Owners Suite50dB                           55dB Dining Area50dB                           55dB Main Saloon50dB                           55dB
Engine Room/Main Equipment
The engine room is large well laid out with up keep and servicing in mind. All equipment was chosen with reliability and serviceability as a keep factor. All major systems have back up systems. All sea water pumps are mounted in  Cres 316  drip pans.  As much as possible all pumps and systems were placed for ease of visual inspection. The forward lower pump room has other key equipment which is listed separately.  Main engines: Twin Caterpillar C18 , 715 BHP @2100 RPM Maximum Continuous rating. 24V start with deep oil pan option for extended oil changes. Engine instrument panel in engine room, bridge and flybridge Mounted on soft mounts Main engine exhaust, Centeck Industries Combo-Sep Port main: 2676 hrs Stbd main: 2678 hrs   Reduction gears: Twin Disc 4.17:1 ratio Quickshift with trailing pump and Vulcan isolation thrust bearing  Shafts: Auatech 22 4" with shaft spurs plus one spare shaft Shaft seals, Johnson Duramax dripless seals Shaft struts are I-type  Propellers: 5 Blade 48" class S Nickel-aluminum bronze Rudders: 2 x Foil blade, semi-balanced  Cres 316L  welded to Auatech 22 rudder stock Hydraulic steering pumps: Kobelt with dual pump sets and dual steering cylinders. Steering cylinders can be isolated A back up manual system is incorporated into the system. All piping is  Cres 316 L  stainless Central hydraulic system: Quantum Marine Engineering centralized system with zero speed electric pump and integrated variable displacement type hydraulic pumps driven off of each transmission. The engine driven pumps are sized to provide full power to the bow thruster and windlasses at idol speed. The centralized system feeds, the bow thruster, stabilizers, anchor windlasses, capstans, Nautical structures passerelle and Nautical structures crane. The  crane has a 2nd independent hydraulic back up system for emergency operation.   All piping is  Cres 316L  stainless Bow Thruster: Quantum QT-60 50 HP with controls at bridge, flybridge and walk around Kobelt remote control. Generators: 2 x Northern Lights 40 kw @ 1800 rpm with INSEP wet exhaust system with anti-vibration mounts and hydraulic secondary mounting system in sound enclosures Port gen: 3402 hrs Stnd gen: 3287 hrs Sea water system: All raw water for engines and systems are fed through two sea chests with crossover pipe with removable  Cres 316L  grates on the bottom of the hull. All raw water piping is  Cu/Ni  seamless pipe welded or crimped. The crossover pipe is fed through Hayward Model No 72 sea strainers. Each sea chest is sized to be able to supply raw water to all systems independently and while partially constricted.Each sea chest is fitted with compressed air blow down system and can be isolated to be flushed while the other is supplying raw water to all systems. The sea chests are vented via a hard piped system to the mast. In addition to the primary raw water sea strainers each major system has a secondary filter.  The fire and bilge system voltage:   The fire and bilge system back up each other. They use identical 100 gpm 7.5 hp 3 phase, 230 volt ac pumps with soft starts. All piping for the fire and bilge system is  Cu/Ni  piping, they are mounted in  Cress 316L  drip pans. The main fire and bilge system is linked to a Darley Model P-100 10 hp diesel pump mounted and valved in the forward stb Portuguese bridge coaming.  In addition to the AC and diesel systems there is a DC volt light de-watering system using Rule pumps. In the engine room there is also a Kidde Fenwal CO2 fire system with time delay that actuates sirens, flashing lights, vent closures, vent fans, fuel shut off at day tank, lube oil, fuel oil, centrifuge pump shutdowns and engine shut-downs The bilge system has audible and visual alarms. There is a Offshore Marine labs oily water separator in the system that feeds into a 20 gallon oily water waste tank Fuel oil system: Fuel is transferred via Young & Cunningham duplex fuel manifold. The fuel piping is  Cress 316L stainless. There are 3 methods for transferring fuel, a Burks 3 hp, 230 volt 83 GPM high speed pump. a 24 volt DC back up pump and the Alfa-Laval MIB-303 Oil Centrifuge which can pump fuel to and from all tanks.The system has 6 tanks including the day tank. The day tank holds 1220 gal which at cruise speed will run for approximately 60 hours.There is a separate stripping line at the bottom of the day tank. In addition to the Alfa-Laval fuel cleaning system each main engine has a Racor dual filter #75-1000-MAXM with vacuum gauge which allows you to change a filter while the engine is running. Each generator has a over sized single filter #1000-MAXM with vacuum gauge. The main engine and generators use the same size Racor filter cartridge.   The fuel fill system is located in a port side locker with large sill to prevent fuel oil spills, any spilled oil drains to the waste oil tank. The system has a 2" high pressure fill feed for a camlock pressure feed system to allow high speed filling from trucks or other sources, which fills the tanks via the fuel transfer manifold. There is also a 2.5" gravity fill system via the number 3 tank that then transfers fuel to the other tanks via the manifold system and high speed pump.  There is a Blancett Fuel Flow Totalizer fuel transfer gauge integrated into the system. The fuel venting system leads to a vent over flow tank which allows fuel to vent back to empty tanks in the system, there is a sight glass and alarm on the over flow tank. A single large vent lead up to the top of the mast from the vent tank. The vent piping is steel and aluminum.   There is a diesel tender fueling station integrated into the system to fuel tenders off of the stern of the vessel. All fuel tanks have manual sight glasses or dip gauges in addition to the electronic monitoring system Lube oil, Dirty oil and waste oil: There is a 120 gal client lube oil tank and a 120 dirty oil tank with auto fill and pump out system. There is a 55 gallon waste oil tank. with a separate pump to a deck discharge.  There is a automatic oil change system by Reverso that will let you change oil in main engines, gears and gen sets Compressed air system: A 2 hp compressor with 30 gal tank in engine room and a 30 gal tank on flybridge to feed air horns.There are compressed air stations in the engine room, boat deck, Machinery space and flybridge fed copper tubing with  Cres 316L  stainless isolation valves. The system has air dryers and filters integrated into the system. Air conditioning system: Aqua Air 16 tons, 4 compressors with variable frequency drives. There is a fresh air make up system mounted on the flybridge. In addition to the standard drip tray the system is mounted in a secondary  Cres 316L  stainless drip pan. There are dual chilled water pumps and dual raw water feed pumps mounted in  Cres 316L  drip pans. The design criteria for the system was as follows: Summer:            Outside air     40° C/104°F  R.H. 90%                          Inside air       22° C/70°F     R.H. 55%         Winter:            Outside air    0° C/32°F                         Inside air      20° C/68°F R.H. 55% Summer sea water temperature:    32° C/90°F Winter sea water temperature:        0° C/32°F The system is designed to maintain a slightly positive pressure in the vessel. All the fain coils have digital read outs, they discharge  via valance systems in the over heads and are designed to minimize cold and hot spots. In addition to the standard drip tray under the fan coils there is another secondary drip tray, both to the gray water tank. There is a P trap system on all drains to prevent smells from the gray water tank filtering back. Engine room ventilation system:   Two fans, One  21" diameter, 5 hp Delta-T intake fan and One 19" diameter 3 hp Delta-T exhaust fan, the fans are variable speed and reversible, they have Delta-T deffusers and Delta-T smoke/fire dampers and are routed through Delta-T demisters located on the boat deck to further reduce exposure to water. The ducting is 304 stainless and it is sound insulated.  
Forward machinery space
The forward machinery space has it's own sea chest with sea strainer and compressed are blow down. All raw water piping is  CuNi. It is set up with the potable water system consisting of two Sea Recovery 1400 gpd watermakers with commercial prefilter, two Head hunter "stingray" pressure water pumps with two pressure accumulator tanks, two taste and odor sand filters, a silver ion generator and two quick recovery 50 gal water heaters. The hot water loop is fitted with a Grundfos inline circulating pump. The system also can be fed from the dock side system via a pressure reduction value, to a Octo Marine water softener. The black water system consists of a Head hunter MSD model TW-HMX-502 with a auto-clor generator. All waste is discharged to the black water tank and automatically transferred to the MSD via a 20 GPM  Bosworth diaphragm pump. All heads are Head hunter Royal flush Superbowl except crew. All black and gray water piping is CPVC. The gray water system uses the same model Bosworth diaphragm pump as the black water system The Quantum Marine 2030 1.8 sq meter fin units are located in the aft section in water tight compartments.
Electrical Equipment
The main electrical panel is Atlas TecPower  120/200 VAC, 3 phase with auto start, auto paralleling and load shedding. The panel is powered via a Atlas smart box to a 50 Kva Atlas Shore "Clasic" Power converter. There are two 100 amp, 100' shore cords with Glendenning cable reels or via 40 KW Northern Lights generators. There is a separate DC panel.  DC wiring and electronics wires are run in separate trays.
Main Deck Equipment
Two Muir VRC 6000 vertical windlasses Two SHHP Pool type 407 pound (186 kilos) anchors with 450' of 1/2" stud link chain Chain and anchors are ABS circle E rated. Chains run through 6" 316L stainless hawsers to anchor pockets. Windlass bases mounted on a flush 20mm polished 316L stainless insert plate and raised on 316L platforms with drains for ease of handling. Integral and automatic fresh water washdown system for each anchor. Pacific Coast 21" hatch on a raised 316L stainless coaming for chain locker access Chain lockers are heavy duty 316L stainless with 10mm side plates, 12mm bottom plates and 316L spurling tube.
To reach the bow you walk through the Portuguese bridge, to port and starboard are raise sun pads with storage under. The port side also holds the escape hatch for the crew area and the escape hatch is sized to allow for removal of the washer and dryers and equipment from the forward machinery space.  At the bow are two Muir VRC 6000 vertical windlasses. There are 2  SHHP pool type 407 pound (186 kilos) anchors with 450' of 1/2" stud link chain on each anchor. Chain and anchors are ABS circle E rated. The chains run through 6" sch 80  Cres 316L  stainless hawsers to anchor pockets. The windlasses bases are mounted on a flush 20mm  Cres 316L  stainless insert plate, they are raised on Cres 316L  platforms with drains for ease of handling.  There is a integral and automatic fresh water washdown system for each anchor. There is a is a Pacific Coast 21" hatch on a raised  Cres 316L  stainless coaming to the forepeak which provides access to the chain lockers. The chain lockers are heavy duty  Cres 316L  stainless with 10mm side plates, 12mm bottom plates and and  Cres 316L  spurling tube.  The foredeck is very secure with rails. 
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
John DeCaro 954-646-1411