1993 Breaux Brothers 121' MERMAID

This 121-foot Breaux Brothers crew boat represents the rugged reliability and superior craftsmanship that Breaux Brothers is known for throughout the commercial marine industry. Built entirely of aluminum, this vessel is designed for durability, efficiency, and long-term performance in demanding offshore conditions.

Powered by four Caterpillar 3412C engines, it delivers the strength and dependability required for serious operations. With capacity for up to 60 passengers, the vessel is ideally suited for crew transport, offshore support, or commercial charter use.

With its size, layout, and proven hull design, this vessel also presents an outstanding opportunity for conversion into a mothership operation—perfect for sportfishing, dive expeditions, or extended offshore adventures.

Well-built, highly capable, and ready to work, this Breaux Brothers crew boat is a versatile platform with both commercial pedigree and reliability

Vessel Specifications

• Length: 121.4 ft

• Beam: 27.0 ft

• Draft: 11.7 ft

• Gross Tonnage: 250

• Net Tonnage: 75

• Hull Material: Aluminum

• Drive Type: Conventional

• Class: Offshore Supply Vessel (OSV)

Construction

• Aluminum-plated hull

• Longitudinal and transverse framing

• Designed for offshore crew boat service

• Watertight aluminum bulkheads throughout

Deck & Exterior Features

• 3” half-pipe fender system

• Dual 4” x 2” tubing reinforcement (15” spacing)

• 43” closed bulwarks forward / 33” aft

• Full perimeter freeing ports

Deck Equipment:

• 12” closed chocks (port & starboard forward)

• 2½” pipe kevels (forward and forward quarters)

• 6” double hammerhead bitts (midship & aft)

• 50” cargo rails with I-beam supports

• Davit and ladder access

• Fire monitor system

• EPIRB and life float davits

Capacities

• Fuel: 13,000 gallons

• Ballast Water: 20,000 gallons

• Potable Water: 2,000 gallons

• Lube Oil: 200 gallons

• Dirty Oil: 200 gallons

• Slop Tank: 250 gallons

Accommodations

Passenger Capacity:

• Seating for 62 passengers on main deck (A/C equipped)

Crew Accommodations:

• Multiple 2-man and 4-man staterooms

• Bunks, lighting, and lockers

• Central passageway layout

• Crew berthing located below deck

Interior Features:

• Marlite panel walls and overheads

• Raised rubber deck surfaces

• Aluminum doors with sealed windows

Galley & Mess

• Frigidaire upright refrigerator/freezer

• Dual stainless steel sinks

• 4-burner stove with ventilation hood

• Storage cabinetry

• Mess area with fixed table and cushioned bench seating

• Fire alarm system installed

Pilothouse & Electronics

Helm & Controls:

• Dual Caterpillar engine control stations

• Rexroth throttle controls

• Station switching system

• Steering joystick and lever controls

• Two captain’s chairs

Navigation Equipment:

• Furuno 1942 Mark II Radar

• Furuno GP-32 GPS/WAAS Navigator

• Simrad GPS (10Hz)

• Furuno FCV-620 Depth Finder

• EM-TRAK A-200 AIS

• Ritchie 3” Compass

• FLIR camera system

Communications:

• ICOM IC-710 Marine Transceiver

• (2) Uniden UM-380 VHF Radios

• Standard Horizon VLH-3000 Loud Hailer

Additional Systems:

• Multi-engine alarm panel

• Tank monitoring system

• Searchlight controls

• Amp meters & air gauges

• Horn and running lights

Main Propulsion

• Engines: (4) Caterpillar 3412 Diesel

• Horsepower: 650 HP each

• Configuration: Quad screw

• Cooling: Keel cooled

• Start: Air start

Transmissions:

• Twin Disc MG-518.1

• 2.47:1 gear ratio

Electrical System

• (2) Detroit Diesel 4-71 generator engines

• (2) Kato 50kW generators

• 110V AC system

• Marine vapor-proof lighting

• Armored cable wiring

• Circuit breaker protection

Auxiliary Machinery

Forward Machinery Space:

• Bilge pump (1.5 HP)

• Potable water pump (1.5 HP)

• Pressure tank system

• Rheem 40-gallon water heater

• Fuel transfer pump (3 HP)

Aft Machinery Space:

• Washer/Dryer

• Chest freezer

• (2) A/C compressor units

• (2) Air compressors (60-gallon tanks)

• (2) Steering pumps

Engine Room:

• Crane Deming 8” fire pump (Detroit 4-71 driven)

• Ballast and fuel manifold system

• Bilge pumps and transfer pumps

• Engine alarm panel

• Ventilation blowers

Generator Room:

• (2) Detroit Diesel 4-71 generators

• (2) Kato 50kW units

• Battery systems & chargers

• Distribution panel

Steering System

• Hydraulic steering cylinder

• Jockey bar system

Remarks

This 121’ OSV crew boat represents a strong commercial platform with quad-engine reliability, large fuel capacity, and high passenger capacity.

Well-suited for:

• Offshore crew transport

• Oil & gas service

• Utility or government operations

• Conversion projects

Location: Big Grand Cay, Bahamas