Bottom paint is applied below the waterline on your boat, and typically refers to antifouling paint that prevents marine growth from clinging to your hull.

we’ve put together a collection of the best Boat Bottom Paints that are currently available on the market. To help you find the perfect Boat Bottom Paint among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Boat Bottom Paints

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Boat Bottom Paints:

# Preview Product Price
1 TotalBoat JD Select Ablative Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Black, Gallon) TotalBoat JD Select Ablative Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Black,… $139.99 View Product
2 TotalBoat Underdog Marine Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Blue, Gallon) TotalBoat Underdog Marine Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Blue,… $114.99 View Product
3 BLACK GALLON Coastal Copper 250 Ablative Antifouling Bottom Paint BLACK GALLON BLACK GALLON Coastal Copper 250 Ablative Antifouling Bottom Paint BLACK GALLON $82.50 View Product
4 Interlux YBB379/1 Fiberglass Bottomkote NT Antifouling Paint - Black, Gallon Interlux YBB379/1 Fiberglass Bottomkote NT Antifouling Paint – Black, Gallon $113.25 View Product
5 TotalBoat Spartan Antifouling Bottom Paint for Boats - Multi-Season Protection for Fiberglass, Wood and Steel (Black, Gallon) TotalBoat Spartan Antifouling Bottom Paint for Boats – Multi-Season Protection for Fiberglass, Wood… $194.99 View Product
6 TotalBoat Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | For Fiberglass, Wood, Aluminum & Steel Boats | Ideal for Outdrives & Trim Tabs (Black, Gallon) TotalBoat Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | For Fiberglass,… $207.99 View Product
7 TotalBoat Marine Topside Boat Paint Primer for Fiberglass and Wood (Gray, Gallon) TotalBoat Marine Topside Boat Paint Primer for Fiberglass and Wood (Gray, Gallon) $104.99 View Product
8 TotalBoat Outdrive AF Aerosol for Underwater Metals (Black, 12 oz.) TotalBoat Outdrive AF Aerosol for Underwater Metals (Black, 12 oz.) $36.99 View Product
9 Aluma Hawk Jon Boat Green, Qt. Aluma Hawk Jon Boat Green, Qt. $40.99 View Product
10 TotalBoat Alumipaint AF Aluminum and Pontoon Boat Bottom Paint (Black, Gallon) TotalBoat Alumipaint AF Aluminum and Pontoon Boat Bottom Paint (Black, Gallon) $207.99 View Product

Top Rated Boat Bottom Paint Reviews

Since we’ve mentioned 10 different models of Boat Bottom Paints on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Boat Bottom Paints below:

1

TotalBoat JD Select Ablative Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Black, Gallon)
TotalBoat JD Select Ablative Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Black, Gallon)

$139.99
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Product Highlights:

  • ANTIFOULING PAINT FOR BOATS: Unique hybrid paint film keeps barnacles, weeds and slime from clinging to the bottom of your power boat or sailboat for a full season; ideal for fiberglass, wood and steel boats in salt water and fresh water
  • ABLATIVE MARINE PAINT: Self-polishing coating wears away gradually as the boat moves through the water; minimizes bottom paint build up so you have less sanding to do next season; durable finish can be burnished for smoothness, speed & fuel efficiency
  • LOW ODOR, LOW VOCs, EASY CLEANUP: Water-based formula has no toxic fumes, low VOC content, and cleans up easily with soap and water; it’s ideal for use in marinas and boat yards with environmental restrictions; no maximum dry time before launch
  • EASY TO APPLY BY BRUSH, ROLLER OR SPRAY: Brush – natural bristle; Roller – 3/16” nap or foam solvent-safe cover; Spray – airless or conventional; if needed, thin with water, up to 10%; apply 1-2 thin coats; no sanding needed between coats
  • AVAILABLE IN BLACK, BLUE, GREEN & RED COLORS in Quart and Gallon sizes; Coverage: 500 sq. ft. per gallon. Compatible with most previously applied bottom paints: Apply over existing ablative or hard bottom paints; for use on boat bottoms & hulls below waterline only
2

TotalBoat Underdog Marine Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Blue, Gallon)
TotalBoat Underdog Marine Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Blue, Gallon)

$114.99
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Product Highlights:

  • ECONOMICAL ANTIFOULING BOTTOM PAINT PROVIDES EXCELLENT FULL-SEASON PROTECTION: Keeps barnacles and other marine fouling organisms from clinging to your hull bottom; ideal for sailboats, power boats, fishing and work boats in all types of saltwater conditions
  • ABLATIVE MARINE BOTTOM PAINT RELEASES FRESH BIOCODE CONTINUOUSLY to combat marine fouling & reduce paint buildup; Underdog is most effective on boats used frequently; durable finish withstands trailering & beaching better than traditional ablative paints
  • USE ON PROPERLY PREPARED FIBERGLASS, WOOD, STEEL, IRON, AND PREVIOUSLY PAINTED SURFACES IN GOOD CONDITION. Because the ablative coating wears away during the season, there’s no paint buildup, which makes your bottom paint job easier next season
  • EASY TO APPLY BY BRUSH, ROLLER OR SPRAYING: Use a natural bristle brush, a 3/16” nap or foam solvent-safe roller, or use airless or conventional spray equipment. THINNING (10%): brush/roller – TotalBoat Special Brushing Thinner 100; spray gun – xylene
  • AVAILABLE IN GALLON SIZE IN BLACK, BLUE AND RED COLORS. Coverage: 500 sq ft per gallon; this product is a marine paint intended for antifouling use on boats, applied to hulls and boat bottoms below the waterline only. It is not intended for household use
3

BLACK GALLON Coastal Copper 250 Ablative Antifouling Bottom Paint BLACK GALLON
BLACK GALLON Coastal Copper 250 Ablative Antifouling Bottom Paint BLACK GALLON

$82.50
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Product Highlights:

  • Coastal Copper 250 Ablative Bottom Paint Black Gallon
  • Commercial Grade Ablative Bottom Paint
  • Good Full Season Protection
  • Can Be Applied Over Other Bottom Paints
  • This Is A Quality Heavy Duty Product At Manufacturer’s Pricing!
4

Interlux YBB379/1 Fiberglass Bottomkote NT Antifouling Paint - Black, Gallon
Interlux YBB379/1 Fiberglass Bottomkote NT Antifouling Paint – Black, Gallon

$113.25
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Product Highlights:

  • Optimizes the benefits of hard and ablative paints through a unique Dual Resin approach
  • Coating prevents premature wear-through yet a slow polishing action minimizes unnecessary paint build-up
  • Surface continuously smoothes with use, providing a fast, fuel efficient coating
  • Cost effective choice for all power and sail boats and in all waters
  • Paint Color: Black
  • Flash point: 27.0 degrees_celsius
5

TotalBoat Spartan Antifouling Bottom Paint for Boats - Multi-Season Protection for Fiberglass, Wood and Steel (Black, Gallon)
TotalBoat Spartan Antifouling Bottom Paint for Boats – Multi-Season Protection for Fiberglass, Wood and Steel (Black, Gallon)

$194.99
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Product Highlights:

  • MARINE BOTTOM PAINT FOR MULTI-SEASON PROTECTION IN HIGH FOULING CONDITIONS: High copper content (38% cuprous oxide) for maximum antifouling protection against barnacles & slime for sailboats & power boats in fresh, salt and brackish waters
  • SMOOTH, ABRASION-RESISTANT FINISH FOR MAXIMUM PERFORMANCE: Offers maximum speed and fuel efficiency; can be burnished for a racing finish; advanced copolymer ablative formula offers continuous antifouling protection whether the boat is at anchor or underway
  • HAUL AND RELAUNCH WITHOUT REPAINTING: Hauled your boat for longer than 2 weeks? Simply scuff lightly to reactivate this paint’s antifouling properties; ablative formula reduces paint buildup, which means no heavy sanding next time you apply bottom paint
  • EASY TO APPLY, DRIES FAST: Apply by brushing, rolling or spraying on fiberglass, wood, steel and previously painted surfaces in good conditions. THINNING: Brush/roller application – TotalBoat Special Brushing Thinner 100; spray application – xylene
  • AVAILABLE IN BLACK, BLUE, GREEN & RED COLORS in Gallon size; Black and Blue are also available in Quarts; Coverage: 500 sq ft.per gallon; NOTE: There is no maximum dry time before launching
6

TotalBoat Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | For Fiberglass, Wood, Aluminum & Steel Boats | Ideal for Outdrives & Trim Tabs (Black, Gallon)
TotalBoat Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | For Fiberglass, Wood, Aluminum & Steel Boats | Ideal for Outdrives & Trim Tabs (Black, Gallon)

$207.99
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Product Highlights:

  • COPPER-FREE, HIGH-PERFORMANCE MARINE ANTIFOULING BOAT BOTTOM PAINT provides superior single-season protection against barnacles, weeds, algae & slime.
  • KRYPTON CAN BE APPLIED TO FIBERGLASS, WOOD, STEEL, IRON & ALUMINUM BOATS. Bottom paints are for use below the waterline only.
  • BRIGHT COLORS ARE MORE VIBRANT THAN BOTTOM PAINTS CONTAINING COPPER BIOCIDE.
  • EASY TO APPLY BY BRUSH, ROLLER, OR SPRAYING: For brushing, use a high-quality, natural bristle brush; for rolling, use a 3/16” nap or foam solvent-safe roller cover. Copolymer formula means that after application, there’s no maximum dry time to launch. So you can paint in the fall, store for the winter, and launch in the spring! You can also haul and relaunch without losing the effectiveness of the biocide.
  • AVAILABLE IN FIVE BRIGHT, VIBRANT COLORS: Blue (Quart & Gallon), Black (Quart & Gallon), White (Quart & Gallon), Green (Gallon only), and Red (Gallon only). Coverage: 500 sq. ft. per gallon.
7

TotalBoat Marine Topside Boat Paint Primer for Fiberglass and Wood (Gray, Gallon)
TotalBoat Marine Topside Boat Paint Primer for Fiberglass and Wood (Gray, Gallon)

$104.99
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Product Highlights:

  • ONE-PART MARINE PRIMER FOR BOATS provides a durable, flexible undercoat for 1-part and 2-part polyurethane and enamel marine topside paint; for use above the waterline on fiberglass, wood, gelcoat and previously painted surfaces in good condition
  • COVERS COMPLETELY IN JUST ONE COAT: High-solids primer seals the surface with 1 thin coat; apply a second coat only if a higher build is needed; to fill large surface imperfections use TotalBoat TotalFair epoxy fairing compound before applying Topside Primer
  • EASY TO APPLY BY BRUSHING, ROLLING OR SPRAYING: Use a natural bristle paint brush, a 1/8 ” solvent-safe foam roller, or to spray, use a 1.1mm tip; wear proper personal protection; work in a well-ventilated area; boat primer is chromate-free and lead-free
  • DRIES FAST, CURES TO A SMOOTH, HARD FINISH: Ready to sand in 60-90 minutes at 65°F; marine paint primer is easy to sand, then just wipe clean and apply a topside finish such as TotalBoat Wet Edge or TotalTread marine non-skid deck paint
  • AVAILABLE IN WHITE AND GRAY IN QUART AND GALLON SIZES. Brush/roller application – thin with TotalBoat Special Brushing Thinner 100; spray application – thin with xylene; do not apply Topside Primer thicker than recommended or it may not cure properly
8

TotalBoat Outdrive AF Aerosol for Underwater Metals (Black, 12 oz.)
TotalBoat Outdrive AF Aerosol for Underwater Metals (Black, 12 oz.)

$36.99
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Product Highlights:

  • Inhibits corrosion on propellers, outdrives, shafts, struts, trim tabs, and other underwater metals.
  • Contains approximately 1.5% zinc pyrithione to keep metals surfaces smooth in service.
  • Fast-drying formula. At least 2 coats are recommended for excellent single-season protection.
  • Adheres strongly to properly prepared metals including aluminum, brass, bronze, stainless steel, cast iron, and galvanized steel.
  • Available in a 12 oz. aerosol spray. Color: Black. Finish: Flat. Coverage: 15 sq. ft.
Sale9

Aluma Hawk Jon Boat Green, Qt.
Aluma Hawk Jon Boat Green, Qt.

$40.99
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Product Highlights:

  • New
10

TotalBoat Alumipaint AF Aluminum and Pontoon Boat Bottom Paint (Black, Gallon)
TotalBoat Alumipaint AF Aluminum and Pontoon Boat Bottom Paint (Black, Gallon)

$207.99
View Product
Product Highlights:

  • COPPER-FREE ANTIFOULING PAINT for superior single-season protection on pontoons & aluminum hulls.
  • ABLATIVE PAINT wears away to continuously expose fresh biocide for maximum protection.
  • SPECIFICALLY FORMULATED FOR PONTOON & ALUMINUM BOATS. Bottom paints are used below the waterline only.
  • EXCELLENT PERFORMANCE ON OUTDRIVES & RUNNING GEAR. Copper-free formula won’t cause galvanic corrosion.
  • AVAILABLE IN QUARTS & GALLONS, IN YOUR CHOICE OF BLACK OR BLUE. Coverage: 500 sq. ft. per gallon (125 sq. ft. per quart)

Video Overview

Boat Bottom Paint! DO'S & DON'TS!

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Final Words

So, these are all of the Best Boat Bottom Paints available on the market. We hope this collection was helpful to find the right Boat Bottom Paint for the money. However, we recommend checking out the features, benefits, and problems of each of these Boat Bottom Paints before taking your decision.