The SeaArk Flex 21 is built for anglers who want maximum space and versatility in a tough, all-welded platform. At 21 feet long with a wide 72″ bottom, it delivers excellent stability, generous storage, and a flexible layout that adapts easily to crappie, catfish, or multi-species fishing.
Length
21'
Beam
94"
Bottom Width
72"
Side Depth
26"
Gauge
0.125
HP Rating
250
Weight Cap
2000
Persons Cap
5/730
Approx Weight
1800
Transom Height
25"
| Standard Features | |
|---|---|
| .125 GAUGE TREADPLATE FLOOR | S |
| 12V ACCESSORY PLUG ON CONSOLE | S |
| 15 DEGREE ALL WELDED HULL | S |
| 41-GAL BELLY FUEL TANK | S |
| 60-GAL LIVEWELL IN BACK DECK | S |
| 800 GPH FRESH WATER AERATOR | S |
| 3/16" EXTRUDED KEEL | S |
| 5052 ALUMINUM | S |
| ALL ALUMINUM FLOORS & DECKS | S |
| ALUMINUM SIDE CONSOLE | S |
| BOW TILT / TRIM SWITCH | S |
| CENTER LOCKABLE ROD BOX | S |
| COVERED & FLOORED AREA FOR BATTERIES | S |
| LED COURTESY LIGHTS | S |
| LED NAV LIGHTS | S |
| LINE-X | S |
| NMMA CERTIFIED | S |
| OVERSIZED EXTRUDED CAPRAILS W/ ACCESSORY TRACK & RUB RAIL | S |
| PROGUIDE DOUBLE CLEAN POWER HARNESS FOR ELECTRONICS | S |
| RECESSED TROLLING MOTOR PLATE W/ MOUNTING BRACKETS UNDERNEATH | S |
| RECIRCULATION PUMP | S |
| REMOVABLE WINDSHIELD | S |
| SEASTAR HYDRUALIC STEERING | S |
| SIDE PANELS | S |
| STAINLESS STEEL BOW & STERN EYES | S |
| STANDARD / CAMO / URETHANE PAINT | S |
| TRANSDUCER BRACKET | S |
| TROLLING MOTOR WIRING (6 GAUGE) | S |
| TILT HELM | S |
| WIRING TUBES FOR DEALER / CUSTOMER RIGGING | S |
| x2 FOLD OUT STORAGE BOX IN SIDE PANEL | S |
| x2 MILLENNIUM SEAT KITS FOR FRONT & BACK DECK | S |
| x2 SEAT CO SEATS ON SMOOTH MOVE AIR RIDE BASES | S |
| x2 STORAGE BOXES IN BACK DECK | S |
| x2 STORAGE BOXES IN FRONT DECK | S |
| x4 BATTERY TRAYS | S |
| x4 HYDRAULIC SHOCKS FOR FRONT STORAGE BOXES | S |
| x4 NYLON CLEATS | S |
| x6 STAINLESS STEEL SEAT BASE PLATE - THREE ON FRONT DECK - THREE ON BACK DECK | S |
| Engine Selection | |
| Suzuki | |
| Suzuki DF200ATX | O |
| Suzuki DF200ATXSS | O |
| Suzuki DF250TX | O |
| Suzuki DF250TXSS | O |
| Mercury | |
| Mercury 200XL | O |
| Mercury 200XL Pro XS | O |
| Mercury 250XL | O |
| Mercury 250XL Pro XS | O |
| Yamaha | |
| Yamaha F200XC | O |
| Yamaha VF200XB SHO | O |
| Yamaha F250XB | O |
| Yamaha VF250XB SHO | O |
| Honda | |
| Honda BF200DXRA | O |
| Honda BF250DXRA | O |
| Engine Pre-Rig | |
| Center Console | |
| Suzuki | O |
| Mercury | O |
| Yamaha | O |
| Honda | O |
| Engine Accessories | |
| Fuel/Water Seperator | O |
| Transom Saver | O |
| Prop | |
| PowerTech Stainless Prop: 150hp-350hp | O |
| PowerTech Aluminum Prop: 150hp-300hp | O |
| Jackplate | |
| Atlas 6" Hydraulic Jackplate | O |
| Trailer | |
| Painted | |
| Tandem Axle | O |
| Galvanized | |
| Tandem Axle | O |
| Aluminum | |
| Tandem Axle | O |
| Trailer Options | |
| Painted/Galvanized | |
| Deluxe Trailer Pkg (Tandem Axle) | O |
| Upgrade to Aluminum Wheels (Single Axle) | O |
| Upgrade to Aluminum Wheels (Additional Axle) | O |
| 14" Spare Tire - Silver Wheel | O |
| 14" Spare Tire - Galvanized Wheel | O |
| 14" Spare Tire - Aluminum Wheel | O |
| Swing Away Tongue | O |
| LED Lights | O |
| Boat Buckle Ratchet Tie Downs | O |
| Disc Brakes | O |
| Disc Brakes (Additional Axle) | O |
| Torsion Axle (Single Axle) | O |
| Torsion Axle (Additional Axle) | O |
| Extra Long Load Guides | O |
| Plastic Bunk Covers (Tandem Axle) | O |
| F2 Jack & F2 Winch Pkg | O |
| LED Lights & Back Up Combo | O |
| "SeaArk" Laser Cut Lighted Step Pad | O |
| J-Step | O |
| GatorHyde Coating (Tandem Axle) | O |
| PVC Load Guides w/ SeaArk Logo Covers | O |
| 5/16" Coupler | O |
| 7 Pin Plug | O |
| Aluminum | |
| LED Lights | O |
| Boat Buckle Ratchet Tie Downs | O |
| Disc Brakes | O |
| Disc Brakes (Additional Axle) | O |
| Torsion Axle (Per Axle) | O |
| F2 Jack & F2 Winch Pkg (Alum Trailer) | O |
| Vertical PVC Load Guides for Alum. Trailer w/ Carpeted Bunks | O |
| Torsion Axle (Additional Axle) | O |
| Packages | |
| Law Enforcement | |
| Law Enforcement Pkg | O |
| Millennium | |
| Millennium Crappie Pkg w/o Seats | O |
| Millennium Crappie Pkg w/ 2 Seats | O |
| Exterior Color | |
| Standard | |
| Kilim Beige | O |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Camo | |
| Mossy Oak Bottomland | O |
| SeaArk Old Oak | O |
| Nat Gear | O |
| SeaArk Water Oak | O |
| Mossy Oak Shadow Grass | O |
| Timber Real Tree | O |
| Mossy Oak Break Up | O |
| Urethane | |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Interior Color | |
| Standard | |
| Kilim Beige | O |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Flat White | O |
| Camo | |
| Mossy Oak Bottomland | O |
| SeaArk Old Oak | O |
| Nat Gear | O |
| SeaArk Water Oak | O |
| Mossy Oak Shadow Grass | O |
| Timber Real Tree | O |
| Mossy Oak Break Up | O |
| Urethane | |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Additional Paint Options | |
| GatorHide Interior | |
| GatorHide Interior | S |
| Two Tone Paint Design | |
| Battle Flag | O |
| Dart Stripe only on Break | O |
| Bottom of Hull Only Color | O |
| Two Tone Paint - Battle Flag | |
| Kilim Beige | O |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Mossy Oak Bottomland | O |
| SeaArk Old Oak | O |
| Nat Gear | O |
| SeaArk Water Oak | O |
| Mossy Oak Shadow Grass | O |
| Timber Real Tree | O |
| Mossy Oak Break Up | O |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Two Tone Paint - Dart Stripe only on Break | |
| Kilim Beige | O |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Mossy Oak Bottomland | O |
| SeaArk Old Oak | O |
| Nat Gear | O |
| SeaArk Water Oak | O |
| Mossy Oak Shadow Grass | O |
| Timber Real Tree | O |
| Mossy Oak Break Up | O |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Two Tone Paint - Bottom of Hull Only Color | |
| Kilim Beige | O |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Splatter Paint | |
| Olive Drab | O |
| Sharkskin | O |
| Tan | O |
| Black Fox | O |
| Khaki Aqua | O |
| Dark Olive | O |
| Flat Black | O |
| Black Magic | O |
| Mystic White | O |
| Coastal Green | O |
| Bloodline Red | O |
| Smoked Quartz | O |
| Battle Gray | O |
| Patriot Red | O |
| Metallic Sage Green | O |
| Woodlands Green | O |
| Sand Dune | O |
| Platinum Sliver | O |
| Dynamic Blue | O |
| Slime Lime Green | O |
| Omaha Orange | O |
| Metallic Clear Coat | |
| Metallic Clear Coat | O |
| Camo Match Engine | |
| Camo Match Engine - Over 50hp | O |
| Steering | |
| Steering | |
| SeaStar Hydraulic Steering | S |
| Helm | |
| SeaStar Tilt Helm | S |
| Steering Wheel | |
| 13 1/2in Stainless Steel Steering Wheel w/ Knob Upgrade | O |
| Electrical | |
| Package | |
| Complete Electrical Pkg w/ 8 Gauge TM Wire | S |
| Accessories | |
| Horn Kit | O |
| Power On/Off Switch | O |
| Gauges | |
| Trim Gauge | O |
| Speedometer | O |
| Fuel Gauge | S |
| Volt Meter | O |
| Hour Meter | O |
| Seating | |
| Uphosltery | |
| Millennium Single Seat Kit | O |
| Camo Millennium Single Seat Kit | O |
| Tempress Probax Fold Down Seat Kit | O |
| Millennium Seat w/ SeaArk Logo | O |
| Camo Millennium Seat w/ SeaArk Logo | O |
| Saltwater Millennium Seat w/ SeaArk Logo | O |
| Tempress Probax Fold Down Fishing Seat | O |
| Accessories | |
| Stainless Seating Hardware Pkg (Per Seat) | O |
| Accessories | |
| Float Pods | |
| 72" Flotation Pods (Set) | S |
| Stainless Steel Telescoping Ladder | O |
| Power Pole / Talon Bracket (Starboard Side) | O |
| Power Pole / Talon Bracket (Port Side) | O |
| Cleats | |
| Stainless Cleat Ugrade | O |
| 8" Aluminum Cleat (Welded On) | O |
| Brackets | |
| Reinforcement Bracket for Trolling Motor | O |
| Caprail Accessories | |
| Square Bracket for Rod Holder | O |
| Depth Finder Bracket | O |
| Micro Anchor Bracket | O |
| Duck Blind Bracket | O |
| Tree Grabber | O |
| Shallow Water Anchor | O |
| Eye Ring | O |
| Cup Holder | O |
| Rod Holder | O |
| Double Rod Holder | O |
| Gun Rack | O |
| Cat Rack | O |
| Mounted Accessories | |
| Law Enforcement Arch (Mounted on Transom) | O |
| Outboard Protection Bar | O |
| 12' Side Safety Grab Rails (Pairs) | O |
| Bimini Top/Full Enclosure | |
| Bimini | |
| 72" Bimini Top (Black Canvas) | O |
| 72" Bimini Top (Black Canvas & Black Frame) | O |
| Electronics & Trolling Motors | |
| Garmin Depth Finders | |
| Echomap UHD2 53cv w/ Transducer | O |
| Echomap UHD2 54cv w/ Transducer | O |
| Echomap UHD2 55cv w/ Transducer | O |
| Echomap UHD2 73cv w/ Transducer | O |
| Echomap UHD2 74cv w/ Transducer | O |
| Echomap UHD2 75cv w/ Transducer | O |
| Echomap UHD2 93cv w/ Transducer | O |
| Echomap UHD2 94cv w/ Transducer | O |
| Echomap UHD2 95cv w/ Transducer | O |
| GPSMAP 1042xsv w/o Transducer | O |
| GPSMAP 1042xsv w/ Transducer | O |
| GPSMAP 1222xsv w/o Transducer | O |
| GPSMAP 1242xsv w/o Transducer | O |
| GPSMAP 1242xsv w/ Transducer | O |
| Echomap Ultra 2 106sv w/o Transducer | O |
| Echomap Ultra 2 106sv w/ Transducer | O |
| Echomap Ultra 2 126sv w/o Transducer | O |
| Echomap Ultra 2 126sv w/ Transducer | O |
| GPSMAP 8610xsv w/ Sonar | O |
| GPSMAP 8612xsv w/ Sonar | O |
| GPSMAP 8616xsv w/ Sonar | O |
| GPSMAP 8617 | O |
| GPSMAP 8622 | O |
| GPSMAP 8624 | O |
| Garmin Livescope | |
| Garmin Livescope Plus | O |
| Garmin Accessories | |
| 20ft GMN Cable | O |
| SteadyCast Heading Sensor | O |
| GPS24XD GPS Heading Sensor | O |
| VHF 215 Marine Radio | O |
| Humminbird Depth Finders | |
| Helix 7 CHIRP MSI GPS G4 | O |
| Helix 7 CHIRP MSI GPS G4N | O |
| Helix 9 CHIRP MEGA SI + GPS G4N | O |
| Helix 10 CHIRP MEGA SI + GPS G4N | O |
| Helix 12 CHIRP MEGA SI + GPS G4N | O |
| Helix 15 CHIRP MEGA SI + GPS G4N | O |
| Solix 12 CHIRP MEGA SI + G3 | O |
| Solix 15 CHIRP MEGA SI + G3 | O |
| Apex 13 MSI + Chartplotter | O |
| Apex 16 MSI + Chartplotter | O |
| Apex 19 MSI + Chartplotter | O |
| Cornfield Fishing Mounts | |
| Bridge 22 Degree Double Side by Side Mega Mount | O |
| Bridge Mount Extender 15" Span | O |
| Handscope 52" w/ Over the Side Mount | O |
| Folding Double Mount w/ Swivel Base | O |
| Folding Single Mount w/ Swivel Base | O |
| Telescoping Swivel Short Double Mount | O |
| Telescoping Swivel Short Single Mount | O |
| Telescoping Tall Swivel Double Mount w/ Bridge Extender 15" Span | O |
| Telescoping Tall Swivel Single Mount w/ Bridge Extender 15" Span | O |
| Console Double Mount w/ Under Plate (Flex) | O |
| Console Double Swivel Mount w/ Under Plate (Flex) | O |
| Console Single Mount (Flex) | O |
| Console Single Swivel Mount (Flex) | O |
| Console Mount w/ 4" Arms | O |
| Console Mount w/ 6" Arms | O |
| Console Mount w/ 8" Arms | O |
| Deck Mount Single 6" Rail Mount Base (For Track Rail) | O |
| Deck Mount 8" Arm | O |
| Double Mount 6" Arm | O |
| Double Mount 8" Arm | O |
| Double Mount 10" Arm | O |
| Double Mount 12" Arm | O |
| Single Mount 6" Arm | O |
| Single Mount 8" Arm | O |
| Single Mount 10" Arm | O |
| Single Mount 12" Arm | O |
| Launch Pad 4 Pole | O |
| Launch Pad 8 Pole | O |
| Mega Mount Adapter Plate | O |
| Over the Side Mount Deck Plate | O |
| Wire Puck | O |
| Trollling Motors | |
| Garmin Force 57" Black | O |
| Garmin Force Kracken 63" Black | O |
| Garmin Force Kracken 63" White | O |
| Power Pole Move ZR 60" Black | O |
| Power Pole Move PV 60" Black | O |
| Minn Kota Ulterra 90/115 MSI WR Quest 60" | O |
| Minn Kota Riptide Instinct 90/115 WR Quest 60" | O |
| Minn Kota Ultrex 112 MDI MR 52" | O |
| Minn Kota Ultrex 90/115 MSI MR Quest | O |
| Shallow Water Anchors | |
| Power Pole Blade 10ft (Port) | O |
| Power Pole Blade 10ft (Starboard) | O |
| Power Pole Blade 8ft (Port) | O |
| Power Pole Blade 8ft (Starboard) | O |
| Power Pole Pro Series 2 8ft (Port) | O |
| Power Pole Pro Series 2 8ft (Starboard) | O |
| Power Pole Pro Series 2 6ft (Port) | O |
| Power Pole Pro Series 2 6ft (Starboard) | O |
| Power Pole Pro Series 2 4ft (Port) | O |
| Power Pole Pro Series 2 4ft (Starboard) | O |
| Power Pole Sportsman 8ft (Port) | O |
| Power Pole Sportsman 8ft (Starboard) | O |
| Power Pole Drift Paddle Single | O |
| Power Pole Drift Paddle Dual Set | O |
| Minn Kota Talon 15ft (Port) | O |
| Minn Kota Talon 15ft (Starboard) | O |
| Minn Kota Talon 12ft (Port) | O |
| Minn Kota Talon 12ft (Starboard) | O |
| Minn Kota Talon 10ft (Port) | O |
| Minn Kota Talon 10ft (Starboard) | O |
| Minn Kota Raptor 8ft (Port) | O |
| Minn Kota Raptor 8ft (Starboard) | O |
| Minn Kota Raptor 10ft (Port) | O |
| Minn Kota Raptor 10ft (Starboard) | O |
| On Board Charger | |
| Pro Guide PGC-110 | O |
| Pro Guide PGC-210 | O |
| Pro Guide PGC-310 | O |
| Pro Guide PGC-410 | O |
| Pro Guide PGC-510 | O |
| Pro Guide PGC-2410 | O |
| Pro Guide PGC-3610 | O |
| Power Pole Charge | O |
| Minn Kota MK-110PCL | O |
| Minn Kota MK-220PCL | O |
| Minn Kota MK-345PCL | O |
| Minn Kota MK-460PCL | O |
| Minn Kota MK-550PCL | O |
| Fusion Sound System | |
| Standard Fusion Sound System Pkg | O |
| See-Lite Brakes | |
| See-Lite See-Brakes 30lb | O |
| See-Lite See-Brakes 40lb | O |
| Batteries | |
| Lead Acid | |
| Pro Guide 24M800 - Starting | O |
| Pro Guide 27M800 - Starting | O |
| Pro Guide 24M140 - Deep Cycle | O |
| Pro Guide 27M180 - Deep Cycle | O |
| Pro Guide 24M500 - Dual Purpose | O |
| Pro Guide 31M225 - Dual Purpose | O |
| Lithium | |
| Pro Guide 24M50 | O |
| Pro Guide 24M75 | O |
| Pro Guide 31M100 | O |
| Pro Guide 31M150 | O |
| Pro Guide 24VM72 | O |
| Pro Guide 36VM50 | O |
| Pro Guide 24M75-ST | O |
| Pro Guide 31M100-ST | O |
| Pro Guide PGLM24 | O |
| Pro Guide PGLM50 | O |
| AGM | |
| Pro Guide 24AGM | O |
| Pro Guide 27AGM | O |
| Pro Guide 31AGM | O |
| LuxxDek Flooring | |
| Pattern - Whole Boat | |
| Pinline | O |
| Tarpon Scales | O |
| Teak | O |
| Hexagon | O |
| Pattern - Front & Back Deck | |
| Pinline | O |
| Tarpon Scales | O |
| Teak | O |
| Hexagon | O |
| Pattern - Special Edition | |
| Scaled Edition | O |
| Custom | |
| Custom Logo | O |
| Top Color | |
| Midnight Black | O |
| Dark Gray | O |
| Storm Gray | O |
| Snow Camo | O |
| Cool Gray | O |
| White | O |
| Mica | O |
| Beach Sand | O |
| Camel | O |
| Desert Camo | O |
| Terra | O |
| Mocha | O |
| Cappuccino | O |
| Chocolate | O |
| Espresso | O |
| Navy | O |
| Bimini Blue | O |
| Aqua Camo | O |
| Bahama Blue | O |
| Caribbean Blue | O |
| Seafoam Green | O |
| Army Camo | O |
| Olive Green | O |
| Island Green | O |
| Sunset Orange | O |
| Ruby Red | O |
| HD Black | O |
| HD Storm Grey | O |
| Bottom Color | |
| Midnight Black | O |
| Dark Gray | O |
| Storm Gray | O |
| Snow Camo | O |
| Cool Gray | O |
| White | O |
| Mica | O |
| Beach Sand | O |
| Camel | O |
| Desert Camo | O |
| Terra | O |
| Mocha | O |
| Cappuccino | O |
| Chocolate | O |
| Espresso | O |
| Navy | O |
| Bimini Blue | O |
| Aqua Camo | O |
| Bahama Blue | O |
| Caribbean Blue | O |
| Seafoam Green | O |
| Army Camo | O |
| Olive Green | O |
| Island Green | O |
| Sunset Orange | O |
| Ruby Red | O |
