Listed at $10,830,360

Interested in this yacht? Contact Us

Available for Sale3707 121' 2020 Guy Couach 


The superyacht boasts 28 knots top speed, with unrivaled seakeeping and all the amenities you would expect from a high caliber yacht. As seventh hull of the 3700 series: she features proven engineering, high grade equipment and deep V hull shape. With 5 guest cabin layout, her full beam owner cabin, a large fly deck and her tender and toy storage, the 37-meter Couach is one of the most spacious yacht remaining under 200T.

Contact us for more information and details.

26 North Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Next Generation Yachting. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel


LOA: 121' (37 m)
Beam: 23' (8 m)
Hull Material: Fiberglass
Fuel Capacity: 4,491 gal (17,001 L)
Fresh Water Capacity: 1,057 gal (4,001 L)
Location: France
Build Year: 2020
Builder: Guy Couach
Model: 3707
Type: Motor Yachts
Cruising Speed: 24 Knots
Max Speed: 27 Knots



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  • Overall length: 37 m
  • Width: 7,30 m
  • Full load mass: 157 tonnes
  • Draft: 2,40 m
  • Light displacement: 132 tonnes
  • Maximum speed: 27 knots
  • Gross tonnage: under 200 GT
  • Passengers: 5 cabins
  • Class Society: Bureau Veritas
  • Flag: Malta Commercial


  • Hull, deck and superstructure: composite sandwich in Glass
  • Kevlar ® with Carbon ® reinforcement, balsa or PVC foam core.



  • Capacity: 17 000 L divided into 3 tanks (including 1 day tank of 2900 L)
  • Dedicated fuel cleaning treatment system


  • Fresh water tank: 4000L
  • Water Maker: 6500L/day
  • 380V high capacity fresh water pump
  • Waste water treatment
  • Black/Grey water tanks: 3800L


  • 80 V dedicated pumping systems for bilge and fire
  • fighting; each system being interchangeable for backup
  • Fixed fire fighting system FM200 in engine room
  • Bilge water level in each compartment

Ventilation/Air conditioning:

  • 380V 336000 BTU, 4 hermetic compressors
  • Centralized fresh air (intake and extraction)
  • Engine room ventilation: 1 x 380V Variable speed + 2x230V


Alternative current power

380 V / 50Hz supplied from:

  • 2 x 72 KVA Generator
  • 1 x 125A shore plug
  • 1 x 100KVA shore transformer for galvanic insulation
  • 1 x 5000 VA DC/AC converter

Direct current power

  • 24V supplied from gel batteries:
  • 2 sets for engines and Gen Set starting (1 set for starboard and 1 set for portside)
  • 1 set for service with dedicated charger
  • 1 set for radio emergency with dedicated GMDSS charger
  • 1 set for emergency lights


  • 1 halogen search lights
  • 8 underwater LED lights (4 at transom, 2x2 on lateral aft sides)
  • Yacht Management System with Redundancy and Data
  • Acquisition capabilities including 2 touch screens”



  • 2 x 12V4000 M90 MTU engines, 2 * 2040 KW (2735 HP), diesel, Gearbox 2F 4650
  • Engine Controls in engine room, Fybridge and wheelhouse, blue line type
  • 2 x stainless steel DUPLEX 4462 shaft lines diam 125 mm with fixed pitch NIBRAL ISO Class S propellers
  • Hydraulic assisted steering system ith tiller in wheelhouse + emergency system in the garage
  • 80 Hp Bow Thruster attached on main engine PTO
  • 1 gyro stabilizer VEEM for roll reduction at anchor and underway


  • Polished stainless steel deck fittings (Handrails, Bollards, Cleats)
  • Windshield whipers equiped with fresh water wahing jet
  • Two anchoring lines consisting of 380V, 4kW Windlass / 105 kg anchor, 110m of 16mm galvanised chain
  • 4.9m tender arrangement in aft garage
  • Manual Swimming ladder
  • Hydraulic platform with dual fonctions (tilt and lift)
  • Reinforced insulation on hull and decks for noise and vibration reduction


  • 5 guests cabins, including a master suite and VIP suite with a large dressing
  • 1 captain cabin, 2 crew cabins on the fore deck
  • Large separated galley, equiped with household appliances


  • Furuno long range radar
  • Furuno Autopilot
  • Furuno GPS
  • Furuno NavNet TZT2-BB
  • Echo Sounder
  • Furuno Satellite compass
  • Furuno portable VHF
  • Furuno Inmarsat C
  • Furuno Navtex
  • Fleet Broadband 250
  • Furuno AIS
  • SART
  • Furuno Brige Navigational Watch Alarm System (BNWAS)


  • Lifejackets, Liferaft, Rescue Boat
  • Immersion suits


  • Classification : Bureau Veritas Charter Yacht Motor / C, short range,
  • Mach Engine Room
  • Commercial Malta Flag (or equivalent on demand)

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Mechanical Disclaimer

Engine hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing brochure.


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.

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