2018 Cobia 21 Bay

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21 Bay



Built and designed how a real bay boat should be.

The new Cobia 21 Bay is designed for a satin-smooth ride, improved fishability and unmatched value. No matter where the fish are biting, you’ll be able to get to them. The 21 Bay’s semi-V hull and high gunnels keep things stable and dry in near-shore situations, while its shallow draft makes it a natural for trolling-motor style sight casting in shallow water. With integrated aft jump seats, lockable rod storage boxes with rod tip protection tubes and a new roomier deck layout, you’ll be able to bring the whole crew and fish like a pro.

  • Beam: 8 ft. 4 in.
  • Deadrise: 15 deg.
  • Draft: 13 in.
  • Fuel capacity: 55 gal.
  • LOA: 21 ft. 1 in.
  • Maximum capacities: 7 persons or 1,400 lb.
  • Maximum HP: 200 hp
  • Transom height: 25 in.
  • Weight (approx. w/o engine): 2,050 lb.
Engine Options
  • F115XB
  • F150XB
  • F150XCA
Hull Color Options
  • Anthracite Grey: Optional
  • Anthracite Grey Bottom: Optional
  • Anthracite Grey All Solid: Optional
  • Aqua Mist: Optional
  • Aqua Mist Bottom: Optional
  • Aqua Mist All Solid: Optional
  • Atlantic Blue: Optional
  • Atlantic Blue Bottom: Optional
  • Atlantic Blue All Solid: Optional
  • Custom hull color (standard two-tone): Optional
  • Custom hull color all solid (no two-tone): Optional
  • Jet Black: Optional
  • Jet Black Bottom: Optional
  • Jet Black All Solid: Optional
  • Kingston Grey Bottom: Optional
  • Kingston Grey: Optional
  • Kingston Grey All Solid: Optional
  • Pure White: Standard
  • Teal: Optional
  • Teal Bottom: Optional
  • Teal All Solid: Optional
Steering and Handling
  • Hydraulic jackplate w/ blinker switch (6 in, 40-115hp): Optional
  • Hydraulic jackplate w/ blinker switch (6 in, 150-250hp): Optional
  • Hydraulic steering: Standard
  • Steering wheel upgrade : Edson w/ power knob upgrade (stainless): Optional
  • Steering wheel upgrade : Edson w/ power knob upgrade (black): Optional
  • Trim tabs: Optional
  • Yamaha 6YC Information Station: Standard
  • Yamaha fuel/water separator & control cables (w/ engine option): Standard
Quality Finish and Construction
  • Stainless steel rub rail: Standard
  • White rub rail w/ stainless steel insert upgrade: Optional
Family Features
  • All white cushion color: Standard
  • Cushion, bow: Optional
  • Forward console cooler seating w/ cushion 48 qt: Standard
  • Fresh water washdown system: Optional
  • Raw water washdown: Optional
  • Swim/dive platform: Standard
  • T-top: Optional
  • Two-tone cushion color upgrade (almond/tan): Optional
  • Two-tone cushion color upgrade (grey/white): Optional
Fishing Features
  • Flush-mount gunnel rod holders (2 addl): Optional
  • Garmin VHF 200 radio w/ antenna: Optional
  • Garmin 7in touchscreen w/ sonar (GPSMAP 741XS): Optional
  • Integrated console rod holders (3 per side): Standard
  • Livewell (28 gal): Standard
  • Prof. Package: 3-bank battery charger & Power Pole (8 ft, black): Optional
  • Prof. Package: 3-bank battery charger & Power Pole (8 ft, white): Optional
  • SS gunnel rod holders (2): Standard
  • Trolling motor wiring: Optional
Cockpit and Storage
  • Leaning post backrest w/ cushion upgrade: Optional
  • Leaning post w/ rod holders upgrade: Optional
  • Self-bailing cockpit: Standard
Safety, Comfort and Convenience
  • Adjustable helm pedestal seating: Standard
  • Bimini top: Optional
  • Cobia trailer (single axle): Optional
  • Compass: Optional
  • Console windshield & grabrail (folding): Standard
  • Integrated aft jump seats w/ cushions: Standard
  • Shipping cover (shrink wrap): Optional
  • Shipping cover : None: Optional
  • SS flush mount pull-up cleats (3): Standard
  • Trailer aluminum wheels option (each): Optional
  • Trailer spare tire option: Optional
  • Trailer swing tongue option: Optional
Lights and Electric
  • Battery 31 series: Optional
  • Cockpit lights, blue LED: Standard
  • Console courtesy lights, LED: Standard
  • Underwater lights, blue (set of 2): Optional
  • Waterproof Deutsch electrical connectors: Standard



Max HP
200 hp


Length Overall
21 ft. 1 in.
8 ft. 4 in.
13 in.
Dry Weight
2,050 lb.
Max Person Capacity
7 persons; 1,400 lb.
Fuel Capacity
55 gal.