Lagoon Seventy 8

6,501,370 Tax Not Paid | UK or France delivery available


  • Make Lagoon
  • Model Seventy 8
  • Year 2024
  • LOA 78ft/24m
  • Class Multihull
  • Hull Glass Reinforced Plastic
  • Engine Twin Diesel
  • Drive Shaft Drives
  • Layout Flybridge
  • Berths 8
  • Cabins 4
  • Ancasta Ref 34986
  • Name Lagoon Seventy 8 Motor Yacht


The Lagoon Seventy 8 Motor Yacht is without doubt the flagship of the powercat range.
With build slots available offering extensive customisation, the details you see here are an example specification for a fully equipped owners version of the Seventy 8.

The owners layout on the Lagoon Seventy 8 is truly exceptional.
A large VIP cabin aft allows for the remaining starboard hull to be dedicated to the owners and is complete with a walk-around, athwartships king-size berth facing hull windows, a walk-in closet forward with built-in bureaus, a love seat under bookcases, a desk/vanity and a marble-lined en suite head with shower.
There is also the unique option available whereby a bulkhead folds outboard to become a private teak beach where owners can soak up the sun rays or simply enjoy a coffee and croissant in the morning.

The Seventy 8’s one-level saloon exudes cool elegance and owners are given a blank sheet of paper to arrange the space as they wish.
Like the rest of the Seventy 8, the flybridge is stunning in its space and the layout is ready to customize. Owners can choose a hot tub with surrounding sun pads or a rail-to-rail sun pad aft. A bar with stools or a dining table that seats eight can be added without crowding.
Whatever the choice, the skipper has a centerline helm forward and a double seat companion chair to starboard.

We would be very happy to discuss all options available for a forward order Lagoon Seventy 8 motor yacht so please don't hesitate to contact us for further information.




The following information has been provided to offer a realistic on the water price to supply and equip a new Lagoon Seventy 8 power catamaran and is based on a typical specification. For this particular example we have assumed a 3 cabin layout with a huge owners suite and one guest suite to starboard. To port, a further guest suite, large aft galley and crew cabin. The Lagoon Seventy 8 has been designed by some of the great names in naval architecture, VPLP, Patrick Le Quement, Nauta Design and is fully customisable with up to 16 berths available.

Designed by Van Peteghem-Lauriot Prévost - Le Quément
Interior deigned by Nauta Interiors
3 cabin owners version, galley aft version with upgraded John Deere N13-580 HP engines

GRP Hull and deck
Polyester and high quality anti-osmotic resin infusion laminated
Balsa core in hull, with solid laminate under waterline
Balsa core in bridge deck and deck

Category A Ocean for 14 persons

Principal dimensions:
Light displacement 68.5 tonnes
LOA 23.8m / 78'1"
Beam 11.00m / 36'1"
Draft 1.27m / 4’2”
Clearance 8.95m / 29’4”
Fuel Capacity 8500 l
Fresh Water 2 X 800 L
Berths 8 to 16

All figures approximate

All photos manufacturer supplied



Grey oak interior with UV varnish, Wenge floor and Corian work tops
Standard interior upholstery: Argile (Sunbrella Natte Clay NTA PO48 140)

Three double cabins with Ensuite while still keeping the owner's cabin in the starboard hull with dressing table & stool, storage and private beach (Hydraulic hull door, teak terrace and swim ladder)
All Cabins have ensuite facilities including shower enclosures, quiet flush electric marine toilets
Electrical roller blinds in the cabins and saloon (not in crew area or galley)
Fitted carpets in cabins
Electrical heated towel rail in owners ensuite
HiFi sound system with 2 speakers and subwoofer and 40' tv on lift in owners cabin
HiFi with 40' tv on lift, forward port VIP cabin and starboard aft guest cabin

HiFi sound system 4 waterfall speakers in saloon, 2 speakers each in aft and forward cockpits
'U' shaped seating to starboard with pouffe
Large sliding saloon glass doors
Dining table to starboard with loose chairs
Forward lounge area
Forward saloon galley/bar layout (sink, 2 fridges, icemaker, furniture for bottles)
Navigation area port forward c/w
Electronic steering joystick and throttles
Simrad navigation pack
Yacht management / monitoring system on Simrad displays

Lateral galley to port
Double s/s sink with hot/cold mixer tap
Storage under the sink
Extractor fan
Microwave Oven and grill 220V
Dishwasher, 12 settings
Washer/dryer 220V
Additional fridge/freezer under floor in galley
Water purifier in galley
Crew area forward of galley

Large cockpit usable as a deck saloon, protected by the flybridge
Cockpit flush-decked with the saloon
Cockpit enclosure with windows and privacy curtains
Teak on forward and aft cockpit floors and transoms
L-shaped bench to starboard
Large teak cockpit table with loose armchairs
Forwards and aft cockpit cushions
Sun lounging cushions port and starboard with adjustable back rests
Exterior upholstery colour Robben grey
Cushions for rear bench across hydraulic stern platform
Lounging cushions either side of forward door
Forward cockpit sun awning on carbon posts
Stairs to flybridge

Flybridge floor in teak
Composite flybridge bimini with electric sliding roof, lights and curtains
Helm position forward with bench to starboard
Loose fly furniture Tribu table and chairs, armchair, low and side tables sofa and pouffe
Electric stainless grill


Twin Volvo D11-510 (510HP) DIESEL ENGINES
(Note: upgrade to TWIN John Deere N13-580 580Hp available)
Located in engine rooms below hatches in transoms of hulls
2 Bruntons 5 blade fixed props
Electric bow thruster in stb with dedicated battery (side power 340Kgf)
Rope cutters
Double diesel alarm

Upgraded ONAN Genset 27 kVA with cocoon and monitor
2nd generator ONAN 19 kVA with cocoon and fuel transfer pump
2 Inverters 24/220V 500VA
2 battery chargers each 100 Amp 220V
Additional surge protection
Aircon 180,000 BTU for 3 cabin version (27 kVA genset compulsory)
USB sockets in cabins

Water maker 280L/h Sea recovery Aquamatic 220v
Fresh water capacity 4 x 240L (4 x 63 US Gal)
Fuel capacity 2 x 496 L / (2 x 131 US Gal)
Holding tanks

Hot and cold water pressurised system
2 x 100L electric water heater, 230V/engine exchanger
2 x 800L water tanks
2 x 300L grey water tanks
1 x 73L black water tank per head
Deck wash pump sea and fresh water

(All figures are approximate)


Simrad Navigation pack
Digital fish finder
Simrad forward scan sounder
2 aft facing cameras under flybridge

3500W / 24V electrical windlass on the deck, horizontal gypsy (chain 16mm) and corded remote in the anchor locker
Chain locker located on the port side of the windlass
Upgrade to foldable cleats and fairleads
2 aft mooring capstans with protective covers

8 blue LED underwater lights
Retractable hydraulic gangway (3.5M) on port transom
Side boarding ladder
Highfield Ocean Master Deluxe 460 RIB with Honda 70Hp
Upgrade to hydraulic stern platform with aft seat
Covers for wheel, navigation station and cockpit table in Sunbrella canvas
Omnimax mast antenna for tv and am-fm radio
Deck and Navigator pack

Fire blanket
4 Fire extinguisher 1kg dry powder
Gas foghorn & canister set
Offshore first aid kit
Ocean safety coastal flare pack
Throwing line & holder
10 KRU sports Pro automatic lifejacket with harness
10 Safety line 2 hook locking
10 Ocean signal rescue me personal AIS/DSC
Jonbuoy inflatable danbouy c/w light
Jonbuoy rescue sling
Softwood bungs pack
Ocean ISO9650 raft 10M C

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Ancasta are acting as brokers for the vendor who is not selling in the course of business unless otherwise stated. These details are prepared from information provided by the vendor and are intended only as a guide to give a fair description of the vessel but their accuracy cannot be guaranteed and they do not constitute part of any contract. A prospective buyer is strongly advised to check the particulars and to have the vessel fully surveyed by a qualified marine surveyor. Details are supplied on the understanding that all negotiations shall be through Ancasta brokerages. This vessel is offered subject to prior sale, price change or withdrawal without notice. Please Note: where the vessel’s status shows as “Preliminary”, details of the vessel have not yet been confirmed by the Vendor.

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