Best 21 Foot Boat In August 2025

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This guide comes with the top 10 Best 21 Foot Boat available on the market. Therefore, if you are looking for the Best 21 Foot Boat, you have everything you need here.

To help you in your search, we have completed this list of the Best 21 Foot Boat.

Top Rated Best 21 Foot Boat Of 2025

Rank	Product Name	Score
1	MSC Heavy Duty 600D Marine Grade Polyester Canvas Trailerable Waterproof Boat Cover,Fits V-Hull,Tri-Hull Buy Now	9.7 Buy Now
2	Seamander Trailerable Runabout Boat Cover Fit V-Hull Tri-Hull Fishing Ski Pro-Style Bass Boats Buy Now	9.5 Buy Now
3	Leader Accessories 600D Polyester 5 Colors Waterproof Trailerable Runabout Boat Cover Fit V-Hull Buy Now	9.1 Buy Now
4	PrimeShield Boat Cover, Waterproof 600D Oxford Marine Grade Trailerable Runabout Boat Covers, Heavy Buy Now	8.8 Buy Now
5	Classic Accessories StormPro Waterproof Heavy-Duty Boat Cover, Fits boats 20 ft - 22 Buy Now	8.6 Buy Now
6	NORTHCAPTAIN 600D Waterproof Trailerable Boat Cover, Fits 20-22 ft V-Hull Tri-Hull Runabouts Buy Now	8.3 Buy Now
7	RVMasking Waterproof 800D Polyester Trailerable Full Size Boat Cover Gray for 17"-19" V-Hull Buy Now	8.1 Buy Now
8	Seamander Heavy Duty Trailerable Runabout Boat Cover 600D Polyester Waterproof Buy Now	7.8 Buy Now
9	MarineNow Deluxe Portable 8.5 lb Fluke Style Anchor Kit for 15' - 24 Buy Now	7.5 Buy Now
10	Vortex Brand NEWBEIGE/TAN 22' Ultra 3 Pontoon Boat Cover, HAS Elastic and Straps Buy Now	7.2 Buy Now

1. MSC Heavy Duty 600D Marine Grade Polyester Canvas Trailerable Waterproof Boat Cover,Fits

• Model e - length:20'-22' beam width: up to 100" : modle number bc0005nb
• Includes adjustable straps and storage bag, 2 year limited warranty
• Recommend use boat cover support pole system
• Designed for both long-term storage, mooring and highway travel
• Made of marine grade polyester canvas with double pu coating

2. Seamander Trailerable Runabout Boat Cover Fit V-Hull Tri-Hull Fishing Ski Pro-Style Bass Boats

• Professional manufacturer-this boat cover comes in six different sizes as well as multiple different colors, so youll be able to pick up the one most fitting for your boat
• Guaranteed 5-star experience-if you aren't 100% satisfied for any reason, well refund your money
• Piece of mind- it comes with 11 straps, storage bag,an elastic hem, and 2 year warranty.
• Reliable performance-one of the main reasons why fabrics fade is exposure to direct sunlight. to protect it from that, the cover is enhanced with anti-uv properties.in addition to that, a special dyeing process, using high-grade dyes is used to ensure theres high colorfastness. hence, the cover will not release dye and stain your boat, and secondly, the fading will ta...
• Tips for size selection-move up to the next size if your measurement falls on maximum lenght

3. Leader Accessories 600D Polyester 5 Colors Waterproof Trailerable Runabout Boat Cover Fit V-Hull

• Recommendation and warranty model a/b/d/e/f are for outboards and i/o. only model c has a cutout design for outboard. please measure your boat first and check the size chart in our description. move up to next size if the measurement falls on maximum length. to improve waterproof effect and extend the lifespan of cover, it's highly recommend to use support poles to av...
• Trailerable and easy to use perfect for both trailering and storage. elastic cord in bottom hem gives a tight fit. rear air vents allow inside moisture to escape. free mesh storage bag included. quick release buckles and strap system on the cover ensures easy fitting. 6 adjustable straps for model a, 7 for model b/c/d/e, 8 for model f.
• Care and maintenance please do not allow the product to get in touch with sharp objects, chemicals, gasoline, or liquids. spot clean with water, do not use detergent. hang cover to dry and use storage bag to keep cover clean and stowed away when not in use. be sure your boat is thoroughly dry before covering for long time storage.
• Material and stitch made of shoremaster 7.25 oz. 600d heavy duty marine grade polyester fabric with double pu coating. treated for water repellency, uv and mildew resistance. double stitched seams with straps reinforced to decrease water entering from the stitching. every top seam is inforced with 1 inch poly-web straps for a long haul. extra protective reinforcements...
• Type model e:20'-22'l beam width up to 100".fits v-hull runabouts(outboards and i/o). move up to next size if the measurement falls on maximum length. 7 adjustable straps included.

4. PrimeShield Boat Cover, Waterproof 600D Oxford Marine Grade Trailerable Runabout Boat Covers, Heavy

• Secure quick release system: comes with a quick release buckle and strap tightening system for better fitting. the adjustable strap snaps into quick-release buckles sewn onto the waterproof boat cover, making it easy and quick to use. the elastic cord around the bottom hem ensures a tight fit to provide your boat with 360 degrees of all-around protection.
• Size & fit: full size semi-custom fitted boat cover protects watercraft 20-22 feet long and up to 106 inches wide. fits v-hull fishing boats, v-hulls, tri-hull runabouts, bass boats, and pro-style bass boats. the seams are double-stitched for extra durability and a better fit. this high density stitching ensures the bass boat cover will not rip, shrink or stretch. it is...
• Waterproof performance: this heavy duty boat cover is made of 600d marine grade oxford fabric with a waterproof pu coating and an anti-uv coating. this cover can withstand up to 1000 psi water pressure ( most competitors only 700-800 psi).
• Uv protected: this bass boat cover comes with anti-ultraviolet sun and heat protection, which protects your boat against damage from sun, wind, dust, and other natural elements...always keeping your boat in good condition. this 600d boat cover is also cold-resistant down to -68 fahrenheit to protect your boat in the winter months too.
• Easy to use: storage bag included, the bass tracker boat cover can be folded into the bag easily with compact size, stash it while you are out boating. if you have any problem or question, simply contact our customer service team. in order to choose the right size cover, please determine the size of your boat first.

5. Classic Accessories StormPro Waterproof Heavy-Duty Boat Cover, Fits boats 20 ft - 22

• Time outdoors is important, and we want to help you make the most of it.
• We share your passion for adventures, thats why we carefully consider all the tiny details that make our products useful, convenient, and practical
• We dont just cover vehicles and equipment we support your lifestyle.

6. NORTHCAPTAIN 600D Waterproof Trailerable Boat Cover, Fits 20-22 ft V-Hull Tri-Hull Runabouts

• Easy to use: the boat cover is equipped with 11 pcs adjustable straps and high strength quick-release windproof buckles which allow you to conveniently lock the cover with your boat and prevent it from being blown away. when it isnt in use, the free storage bag allows you to fold and store it anywhere.
• 100% waterproof & all-weather protection: double stitching seams + waterproof strip design blocks water from entering through the stitching. your boat will be completely kept dry even during a heavy rainstorm or snowstorm. dual rear air vents reduce wind pressure and prevent moisture build-up under the boat cover, against mildew to keep you boat dry and increase product...
• Storage&trailerable: perfect for long-term storage and highway travel. quick release buckles and strap system on the cover ensures easy fitting. elastic bottom hem ensures adjustable snug fit and protect cover from blowing off. reflective tape design greatly improving safety during highway travel.
• How to choose the size: recommend to measure your boat firstly and check the size chart, select the best size closed to your boat length and beam width. move up to next size if the measurement falls on maximum length. if you have any question or not sure about the size, pls feel free to contact our customer service team and we will assist shortly.
• Material: heavy duty marine grade 600d polyester with waterproof lamination for durability, tear-resistance, uv protection, and mildew resistance. 3 pieces corner reinforcement panels at front and rear provides extra protection to your boat

7. RVMasking Waterproof 800D Polyester Trailerable Full Size Boat Cover Gray for 17"-19"

• Waterproof: water resistant to 4000mm, 800d polyester + waterproof pu coating + waterproof strip at seam, provice all-round waterproof
• Outdoor windproof: 11 pcs adjustable straps with more durable plastic buckle, elastic hem give a custom fit to protect cover from blowing off, even in high wind
• Free motor cover(29"l*17"w*29"h) included, 90 days money back guarantee, 3 years warranty
• 3 layers protection: upgraded water resistant 800d polyester + waterproof pu coating + anti-uv coating, with double stitching seams, 3 pieces corner reinforcement at front and rear protect your outboard from scratch, dust, rain, snow, and uv rays
• Breathable: moisture-guard vent systems on the sides of the tail, prevents moisture build-up under the boat cover, against mildew to keep you boat dry and increase product service life

8. Seamander Heavy Duty Trailerable Runabout Boat Cover 600D Polyester Waterproof

• Integrated strap system for easy fitting and superior trailerability
• Excellent waterproof, dustproof, scratch-proof and sun protection features
• Given storage bag provides great convenience and protection
• Interlocking double stitched seams with marine-grade thread
• 2 year limit warranty since from purchasing date

9. MarineNow Deluxe Portable 8.5 lb Fluke Style Anchor Kit for 15' - 24

• 98' anchor line - three strand - 5/16 (8mm)
• 2 5/16" shackles - hot dipped galvanized
• 8.5 lb hot dipped galvanized fluke anchor
• 6.5 feet of 1/4" (6mm) chain - hot dipped galvanized
• Anchor measures 21.5" tall and 15" wide.

10. Vortex Brand NEWBEIGE/TAN 22' Ultra 3 Pontoon Boat Cover, HAS Elastic and Straps

• 5 year warranty
• Has elastic band as well as straps
• Tri-purpose cover/storage/mooring/trailering
• Toll free assistance: 1800-309-5190 8:30am to 4:30pm cst monday-friday
• Heavy duty 600d waterproof fabric