Additional information
Choose Your Cover Fabric
7 oz. Polyester — Our entry-level marine cover fabric, woven from 100% polyester fiber at a 7 oz. per linear yard weight. This lighter option keeps the cover manageable for solo handling while still delivering reliable protection against sun, rain, and debris. Backed by a 3-year fabric warranty. Ships in Black.
9 oz. Polyester — Step up to our heavy-duty polyester, engineered at 9 oz. per linear yard for boats that face tougher conditions or extended outdoor storage. The denser weave adds an extra layer of defense against abrasion and weather without adding unnecessary bulk. Protected by a 5-year fabric warranty. Ships in Navy or Black.
Sunbrella® — For boaters who want the best, our Sunbrella covers use 100% solution-dyed acrylic — the same fabric trusted by marine professionals worldwide. Naturally resistant to fading, mold, and water damage, Sunbrella holds its color and integrity season after season. Covered by a 6-year fabric warranty. Ships in Black, Smoke, or Marine Blue.
Both polyester options feature solution-dyed construction, where pigment is infused into each fiber during production rather than applied to the surface afterward. This process locks color deep into the material, preventing any dye transfer to your boat’s gel coat or finish. The result is a cover that stays vibrant without bleeding or rubbing off. Our polyester is also designed to breathe — it allows moisture trapped underneath to vent out naturally, reducing the risk of mildew and keeping your boat dry. The fabric holds its form without sagging or stretching over time, stays lightweight enough for one person to handle, and stands up to prolonged UV exposure and harsh marine weather.
*The warranty periods above are provided by the fabric manufacturer and cover the material itself. For details on what’s included in the warranty for your completed cover, please see our warranty page.
7 oz. Polyester — Our entry-level marine cover fabric, woven from 100% polyester fiber at a 7 oz. per linear yard weight. This lighter option keeps the cover manageable for solo handling while still delivering reliable protection against sun, rain, and debris. Backed by a 3-year fabric warranty. Ships in Black.
9 oz. Polyester — Step up to our heavy-duty polyester, engineered at 9 oz. per linear yard for boats that face tougher conditions or extended outdoor storage. The denser weave adds an extra layer of defense against abrasion and weather without adding unnecessary bulk. Protected by a 5-year fabric warranty. Ships in Navy or Black.
Sunbrella® — For boaters who want the best, our Sunbrella covers use 100% solution-dyed acrylic — the same fabric trusted by marine professionals worldwide. Naturally resistant to fading, mold, and water damage, Sunbrella holds its color and integrity season after season. Covered by a 6-year fabric warranty. Ships in Black, Smoke, or Marine Blue.
Both polyester options feature solution-dyed construction, where pigment is infused into each fiber during production rather than applied to the surface afterward. This process locks color deep into the material, preventing any dye transfer to your boat’s gel coat or finish. The result is a cover that stays vibrant without bleeding or rubbing off. Our polyester is also designed to breathe — it allows moisture trapped underneath to vent out naturally, reducing the risk of mildew and keeping your boat dry. The fabric holds its form without sagging or stretching over time, stays lightweight enough for one person to handle, and stands up to prolonged UV exposure and harsh marine weather.
*The warranty periods above are provided by the fabric manufacturer and cover the material itself. For details on what’s included in the warranty for your completed cover, please see our warranty page.
| Weight | 33 lbs |
|---|---|
| Fabric | 9oz Polyester |
Install
Please watch the video below for installation instructions!
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Frequently Asked Questions
Our Sea Hunt 21 XP Bay covers are custom-patterned to fit this specific model — approximately 18'6" long with a 7'9" beam. Simply select your model year and any options (like a T-top) during checkout, and we'll match you with the correct cover pattern.
We offer both center console covers (without T-top) and T-top covers for the Sea Hunt 21 XP Bay. If your boat has a factory or aftermarket T-top, select the T-top cover option during checkout. The cover wraps around the T-top frame while providing full cockpit and bow coverage.
Yes. Our covers feature reinforced tie-down points and a secure strap system designed for highway trailering. The tailored fit reduces wind catch and flapping that can damage both the cover and your boat's finish at speed.
We offer three marine-grade options: 7 oz poly-cotton for budget-friendly seasonal protection, 9 oz solution-dyed polyester for year-round durability with superior UV and fade resistance, and Sunbrella marine fabric for premium long-term protection with a manufacturer warranty.
UV exposure is the top cause of gel coat fading, vinyl cracking, and dashboard deterioration on boats stored outdoors. A quality fitted cover blocks UV rays, prevents water pooling and staining, and keeps bird droppings, pollen, and tree sap off surfaces. Covered boats typically retain significantly higher resale value.
Our covers are water-resistant and designed to shed rain while remaining breathable. Fully waterproof covers trap moisture underneath, promoting mildew and mold — especially in humid coastal climates. Our breathable fabric lets trapped moisture evaporate while keeping rain out.
The Sea Hunt 21 XP Bay is a versatile bay boat built for inshore saltwater fishing. With its shallow draft, 200 HP max power rating, and 58-gallon fuel tank, it excels on tidal flats, grass beds, and coastal bays — a popular choice for targeting redfish, trout, and flounder along the Gulf and Atlantic coasts.
Sea Hunt 21 XP Bay Boat Cover — Custom-Fit Center Console Protection
Protect your Sea Hunt 21 XP Bay with a custom-fitted boat cover designed specifically for this versatile bay boat. Measuring approximately 18’6″ with a 7’9″ beam, the XP Bay 21 is built for shallow-water fishing and all-day comfort — and it deserves a cover that matches its precision engineering.
Our Sea Hunt 21 XP Bay center console covers are patterned to fit the boat’s unique hull profile, center console layout, and grab rails without excess material that catches wind or traps moisture. Each cover is hand-cut and sewn from marine-grade fabric rated for extended UV exposure, rain, and salt air. The result is a tight, clean fit that keeps dirt, bird droppings, pollen, and weather damage off your XP Bay’s upholstery, electronics, and gel coat finish.
Whether you store your Sea Hunt 21 XP on a trailer between weekend trips or keep it on a lift at the dock, a properly fitted cover is the most cost-effective way to preserve your boat’s condition and resale value. Choose from our 7 oz poly-cotton, 9 oz solution-dyed polyester, or premium Sunbrella fabric options to match your storage conditions and budget.
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