6 Best Sea Ray Boat Covers for Every Need (2026)

Updated November 2026

Finding the right sea ray boat cover comes down to three things: whether the cover fits your exact hull length and beam, whether the fabric holds up to your sun and weather, and whether it can handle the way you store the boat. Sea Ray builds a wide range of models, so a cover sized for a 17-foot bowrider will not work on a 24-foot cruiser. The picks below were compared on listed dimensions, fabric construction, stitching and hem design, trailer compatibility, and the patterns owners commonly report after long seasons outdoors.

Our Top Picks

Quick Comparison

Product	Best for	Key feature
HAHASOLE Waterproof 17-19FT Boat Cover	Overall fit on 17–19 ft boats	1200D Oxford fabric with elastic hem
HAHASOLE Waterproof 20-22FT Boat Cover	Mid-size bowriders and runabouts	Double-stitched seams and UV resistance
HAHASOLE Waterproof 23-24FT Boat Cover	Larger cruisers up to 24 ft	Reinforced elastic hem for wind
Mancro 1200D Boat Cover, 17-19ft	Budget-conscious buyers	Trailerable marine-grade outdoor cover
Comnova Boat Cover 16-18.5 FT	Smaller runabouts and bowriders	Heavy-duty waterproof trailerable build
Boat Cover for Sea Ray 240 Sundeck 2007-2018	Owners of the Sea Ray 240 Sundeck	Model-specific sizing for 2007–2018

HAHASOLE Waterproof 17-19FT Boat Cover, 1200D Heavy Duty Trailerable Cover

Best for: Overall fit on 17–19 ft boats

This cover suits owners of smaller Sea Ray bowriders and runabouts who want a heavy-duty, trailerable cover without stepping into premium pricing. It is built for V-hull and bowrider profiles in this length range.

Key specs

• Length range: 17–19 ft (per listing)
• 1200D marine-grade Oxford fabric (per listing)
• Elastic hem and double-stitched construction (per listing)

Pros

• Heavy 1200D fabric resists tearing from wind and branches.
• Elastic hem helps the cover stay snug on the hull.
• Trailerable design suits boats kept on a trailer.

Cons

• Heavy fabric can be awkward to fold and store alone.
• Fit depends on accurate measurement; a half-foot mismatch can cause sagging.

Bottom line: A strong first choice for owners of a 17–19 ft Sea Ray who want durable, trailerable protection.

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HAHASOLE Waterproof 20-22FT Boat Cover, 1200D Heavy Duty Trailerable Cover

Best for: Mid-size bowriders and runabouts

Owners of 20–22 ft Sea Ray bowriders and sport boats who keep their boat outdoors through winter will find this size range a good match for the same heavy-duty build as the smaller version.

Key specs

• Length range: 20–22 ft (per listing)
• 1200D Oxford fabric (per listing)
• Double stitching and elastic hem (per listing)

Pros

• Double stitching reinforces high-stress seams.
• UV-resistant fabric helps limit fading over a season.
• Designed for trailer storage and transport.

Cons

• Large size makes it heavy to handle without a second person.
• Tight-fitting models can trap moisture if vents are not added.

Bottom line: Best suited to owners of a 20–22 ft Sea Ray who want a durable, full-coverage option.

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HAHASOLE Waterproof 23-24FT Boat Cover, 1200D Heavy Duty Trailerable Cover

Best for: Larger cruisers up to 24 ft

This version targets owners of 23–24 ft Sea Ray cruisers and larger sport boats. The longer length means wind load becomes a real concern, so the elastic hem and tie-down points matter more here.

Key specs

• Length range: 23–24 ft (per listing)
• 1200D Oxford fabric (per listing)
• Elastic hem and double stitching (per listing)

Pros

• Sized for the upper end of common Sea Ray cruiser lengths.
• Elastic hem helps hold the cover down in breezes.
• Heavy fabric resists abrasion from rigging and railings.

Cons

• Very heavy when wet; plan for two people to install.
• Requires careful measurement to avoid excess material flapping in wind.

Bottom line: The right pick for owners of a 23–24 ft Sea Ray who need a large, durable cover.

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Mancro 1200D Boat Cover, Heavy Duty 17-19ft Waterproof Trailerable Cover

Best for: Budget-conscious buyers

Owners of 17–19 ft Sea Ray boats who want a heavy-duty, trailerable cover with a budget-friendly profile will find this a practical option. It is listed as compatible with a range of bowrider and runabout hulls.

Key specs

• Length range: 17–19 ft (per listing)
• 1200D marine-grade outdoor fabric (per listing)
• Black color (per listing)

Pros

• Strong value for buyers focused on a basic full cover.
• UV-resistant fabric suits outdoor storage.
• Trailerable design fits boats stored on trailers.

Cons

• Budget builds may show wear sooner under constant sun than premium fabrics.
• Fit can vary on boats with added accessories like towers or arches.

Bottom line: A sensible budget pick for a 17–19 ft Sea Ray kept under seasonal cover.

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Comnova Boat Cover 16-18.5 FT – Marine Grade Trailerable Boat Cover Heavy Duty and Waterproof

Best for: Smaller runabouts and bowriders

This cover fits owners of 16–18.5 ft Sea Ray runabouts and bowriders who want a marine-grade, waterproof trailerable cover. Its size range sits just below the 17–19 ft options, so it suits boats at the smaller end of the scale.

Key specs

• Length range: 16–18.5 ft (per listing)
• Marine-grade, waterproof, trailerable construction (per listing)
• Listed for V-hull, tri-hull, and bowrider profiles (per listing)

Pros

• Fine size match for smaller boats that other covers may overhang.
• Heavy-duty waterproof build suits seasonal storage.
• Trailerable design keeps the cover practical for trailer owners.

Cons

• Not suited to boats over 18.5 ft.
• Like all covers, needs vents or airflow to limit condensation.

Bottom line: Best for owners of a smaller Sea Ray runabout who want a precise length match.

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Boat Cover for Sea Ray 240 Sundeck 2007-2018, Water Resistant Marine Grade Heavy Duty Trailerable Canvas

Best for: Owners of the Sea Ray 240 Sundeck

This is the only pick in this list sized for a specific Sea Ray model and year range. Owners of a 2007–2018 Sea Ray 240 Sundeck who want a cover designed around that profile will find this the most direct match.

Key specs

• Model fit: Sea Ray 240 Sundeck, 2007–2018 (per listing)
• Marine-grade heavy-duty trailerable canvas (per listing)
• Grey color option (per listing)

Pros

• Model-specific sizing reduces guesswork on fit.
• Water-resistant canvas suits all-weather outdoor storage.
• Trailerable design fits trailer-stored boats.

Cons

• Limited to one model and year range, so it is not a fit for other Sea Ray boats.
• Canvas may breathe differently than coated fabrics; check ventilation needs.

Bottom line: The most precise choice for an owner of a Sea Ray 240 Sundeck from the listed years.

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Buying Guide

Measure Length and Beam Accurately

Measure from the tip of the bow to the stern, including the swim platform or outboard if your Sea Ray has one, and check the beam at its widest point. Many covers are sized by overall length range, so a boat that falls between two ranges should go into the larger one. Sea Ray models vary by year, so confirm your exact length from the hull data plate or the owner’s manual.

Good picks for this: HAHASOLE Waterproof 20-22FT Boat Cover, HAHASOLE Waterproof 23-24FT Boat Cover

Check Fabric Weight and Denier

Denier describes fiber thickness, and higher numbers generally mean heavier, more abrasion-resistant fabric. Covers listed at 1200D are common for heavy-duty outdoor use. Heavier fabric also means more weight to handle, so weigh the benefit against your ability to lift it.

Good picks for this: HAHASOLE Waterproof 17-19FT Boat Cover, Mancro 1200D Boat Cover

Look for Waterproof and UV-Resistant Coatings

Waterproof coatings keep rain from soaking through, while UV resistance slows the sun’s breakdown of fibers and coatings. Look for both in the product description. Remember that a cover is only as effective as its ventilation, so waterproof does not mean airtight.

Good picks for this: HAHASOLE Waterproof 20-22FT Boat Cover, Comnova Boat Cover 16-18.5 FT

Confirm Stitching and Hem Design

Double-stitched seams hold up better at stress points like corners and grommets. An elastic hem helps the cover grip the hull and reduces flapping in wind. Check these details in the listing before you buy.

Good picks for this: HAHASOLE Waterproof 23-24FT Boat Cover, HAHASOLE Waterproof 17-19FT Boat Cover

Consider Trailer Compatibility

If your Sea Ray lives on a trailer, a trailerable cover can stay on during transport and launch. Check whether the cover is designed to stay in place while the boat is on the trailer, and whether the hem and tie-down points will clear the trailer frame.

Good picks for this: Mancro 1200D Boat Cover, Boat Cover for Sea Ray 240 Sundeck 2007-2018

Plan for Ventilation

Trapped moisture is the most common cause of mildew and interior damage under a cover. Look for vents or mesh panels, and leave a small gap at the bow and stern for airflow. Avoid storing a damp boat under a sealed cover for long periods.

Good picks for this: Comnova Boat Cover 16-18.5 FT, Boat Cover for Sea Ray 240 Sundeck 2007-2018

Plan Care and Storage of the Cover Itself

Rinse the cover with fresh water and let it dry fully before folding. Store it in a dry place away from sharp tools. Replace the cover when seams begin to separate or the fabric shows thin, chalky patches.

Good picks for this: HAHASOLE Waterproof 20-22FT Boat Cover, Mancro 1200D Boat Cover

FAQ

How do I know which sea ray boat cover size to buy?

Measure your boat’s overall length from bow to stern, including any swim platform, and check the beam. Choose the cover whose length range includes your measurement, and if you fall between two sizes, go with the larger one.

Is a 1200D cover necessary for a Sea Ray?

Not always, but heavier denier fabric generally resists tears and abrasion better. If your boat sits outdoors through a full winter or in windy areas, a heavier fabric is usually worth the extra weight.

Should a sea ray boat cover be waterproof or water-resistant?

Both terms appear in listings, and each has a different meaning. Waterproof coatings shed water more completely, while water-resistant fabrics repel light rain. Either way, pair the cover with ventilation to avoid trapped moisture.

Can I leave a cover on the boat during winter?

Many owners do, but snow load and standing water can strain a cover. Clear heavy snow when possible, and make sure the cover drains properly. Consult a marine professional or your Sea Ray dealer for guidance tailored to your climate and boat model.

Do I need a cover support system?

Supports keep the cover from pooling water and resting directly on the T-top, arch, or windshield. They are especially useful on boats with towers or hardtops. Check whether your cover needs a separate support kit.

How do I stop a cover from flapping in wind?

Use the elastic hem and any tie-down straps the cover includes, and secure all corners. Keep the cover snug without stretching seams, and check tension after strong gusts.

How often should I replace my boat cover?

Replace it when seams separate, zippers fail, or the fabric becomes brittle or thin in sun-exposed areas. Regular rinsing and drying extends service life considerably.

Conclusion

For most 17–19 ft Sea Ray owners, the HAHASOLE 17-19FT cover offers a strong balance of heavy-duty fabric and trailerable design. Owners of 20–22 ft and 23–24 ft boats should choose the matching HAHASOLE sizes for the best fit. Buyers who want a budget option can consider the Mancro 17-19ft cover, while owners of a smaller runabout benefit from the Comnova 16-18.5 FT size. If you own a Sea Ray 240 Sundeck from 2007–2018, the model-specific cover is the most direct match. In every case, confirm your exact length and beam before ordering.

Sources

• Industry standards and boating safety guidance from the National Marine Manufacturers Association
• Boat storage, winterization and safe boating practices from the U.S. Coast Guard's boating resources (uscgboating.org)
• Boat maintenance, cover care and seasonal storage tips from the BoatUS Foundation (boatus.org)

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