The 2008 Guy Couach 3700 Fly is a 37-meter flybridge yacht built in fiberglass with a beam of 7.3 meters. Powered by two MTU 12V 4000 M90 diesel engines producing 2,735 horsepower each, the boat achieves a cruising speed of 22 knots and a maximum speed of 30 knots. With a fuel capacity of 23,000 US gallons, the yacht has a range of 2,300 nautical miles. The hull features a teak deck throughout, and the yacht is Bureau Veritas classed and MCA compliant.
The accommodation sleeps up to eight guests across eight cabins: an owner's full-width lower deck cabin with king bed, walk-in wardrobe, and marble ensuite with oversized shower; a VIP main deck cabin with double bed and marble bathroom; a double cabin with ensuite; and a twin cabin with ensuite. All cabins include digital safes. The main saloon includes a 55-inch Sony television and Sonos S2 audio system. The galley is equipped with professional-grade Miele and Liebherr appliances, including a five-burner induction stove, dishwasher, and coffee maker.
The yacht features comprehensive modern systems: two Seakeper 26 gyro stabilizers, dual watermakers producing 240 liters per hour, sewage treatment, two boilers, and full air conditioning across four units. Navigation and communication include Furuno and Simrad equipment with ECDIS, radar, autopilot, and VHF systems. Generators include two 70kW and one 35kW units. The boat carries a 4.9-meter Zodiac tender, Sea-Doo waverunner, two Seabobs, an eFoil, electric surfboard, and paddleboards.
The yacht underwent major refit work in 2021-2022, including complete superstructure repainting, underwater hull renewal with Hempel X7 antifouling, full teak deck replacement, engine overhaul, new gyro stabilizers, upgraded generators, new electrical systems, and interior refreshing. A further 2024 refit added upgraded air conditioning, new galley equipment, Starlink internet installation, and cabin modifications. Engine hours recorded as of February 2025: Port 3,284 hours, Starboard 3,263 hours.
Length
121.39 FT
Beam
23.95 FT
Draft
5.58 FT
Material
Fiberglass
Shape
Planing
Cabins
8
Heads
7
Crew Cabins
4
Engines
2
Engine Make
MTU
Engine Model
12V 4000 M90
Power
2 x NaN HP
Hours
3,285 HRS
Fuel
Diesel
Fuel
6,075.96 GAL
Water
792.52 GAL