Sea Chaser 21 LX Specifications
- Length Overall (LOA): 20'7"
- Beam: 8'7"
- Dry Weight: ~1,872 lbs
- Engine: Single outboard, max 200 HP
- Fuel Capacity: 52 gallons
- Draft: Shallow (bay boat hull)
- Hull Type: All-composite fiberglass, self-bailing deck — zero wood construction
Cover Features
- Fabric Options: 9oz solution-dyed marine fabric or premium Sunbrella acrylic
- Coverage Type: T-Top cover wraps hull below hardtop; hardtop remains exposed
- Construction: Reinforced stitching, hem cord at rubrail, adjustable tie-down straps
- Durability: Solution-dyed fabric (5-7 years); Sunbrella acrylic (8-10 years)
- Fit: Custom-fitted to 20'7" Sea Chaser 21 LX specifications
- Protection: UV-resistant, water-repellent, weatherproof
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 | 31 lbs |
|---|
Install
Please watch the video below for installation instructions!
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Frequently Asked Questions
The 21 LX cover comes in three options: 9oz solution-dyed marine polyester, 7oz solution-dyed polyester, and premium Sunbrella acrylic. All solution-dyed for lasting fade resistance on the 21 LX.
Yes. Pattern-cut for the T-Top with reinforced cutouts around support legs. Wraps the hull below the hardtop while leaving the fiberglass roof exposed, accounting for the 21 LX's console and bay boat layout.
Under five minutes solo. Drape, align cutouts around T-Top legs, run hem cord along rubrail, secure strap-and-buckle tie-downs. Works on trailer, lift, or dry stack.
No — please remove the cover before towing your Sea Chaser 21 LX. Our covers are not designed to be trailered: towing with the cover on can cause severe damage to the cover and voids the warranty. The cover is designed for storage only — on a trailer, boat lift, dry stack, or jet dock — and comes off in minutes at the ramp.
Yes. Complete barrier over helm, electronics, casting decks, and cockpit. Blocks UV, rain, salt spray, and debris.
Your Sea Chaser 21 LX cover is backed by our manufacturer's warranty for the original purchaser. Materials and workmanship — stitching, straps, buckles, zippers, and other hardware — are covered for 1 year from the purchase date. Fabric is covered for 3 years on 7oz, 5 years on black or navy 9oz, and 6 years on Sunbrella. Covered defects are repaired or replaced after you contact us for a Return Merchandise Authorization (RMA) number. The warranty does not cover improper use, accident or negligence, unauthorized modifications, improper care, mold or mildew, incorrectly placed orders, theft or loss, or acts of God — and traveling with the cover on or using it in the water voids the warranty. See our Warranty page for full details.
Water-resistant with DWR finish. Breathable to prevent mildew, allowing moisture to vent naturally.
Fits 21 LX models with standard factory T-Top. Consistent dimensions across the LX Bay Series. Contact us for modified boats.
The Sea Chaser 21 LX cover is available in 9oz solution-dyed polyester in Navy or Black, 7oz polyester in Black, or premium Sunbrella acrylic in Marine Blue, Black, or Smoke. Choose your fabric and color in the order options above.
Shipping is a $30 flat rate per cover within the continental United States. Because every cover is custom-made to order, please allow 1–3 weeks for your Sea Chaser 21 LX cover to be made and shipped — you'll receive tracking information as soon as it leaves our facility.
⏱️ Current lead time: 1–3 weeks — every cover is custom-made for your boat.
Questions about fit? Call (561) 677-2628
Questions about fit? Call (561) 677-2628
Sea Chaser 21 LX T-Top Boat Cover — Bay Boat Precision for Inshore Anglers
The Sea Chaser 21 LX measures 20’7″ with a wide 103″ beam and a lean 1,872-lb hull weight — the nimble entry into Sea Chaser’s LX Bay Series that puts serious inshore fishing capability into a trailerable, single-engine package. Powered by up to 200 HP on a 25″ transom and carrying 52 gallons of fuel, the 21 LX runs skinny water at dawn and still has the range for a full day working the flats, oyster bars, and grass lines. Built by Carolina Skiff LLC in Waycross, Georgia with all-composite fiberglass construction and zero wood, the 21 LX carries a 10-year structural warranty and a self-bailing deck that shrugs off green water. A custom-fitted T-Top cover from T-Top boat covers specialists Perfect Fit wraps the hull below the hardtop, shielding the 21 LX’s casting decks, console, and electronics from UV exposure and seasonal weather.
Tailored to the 21 LX’s Dedicated Bay Boat Layout
This cover is pattern-cut specifically for the 21 LX’s T-Top configuration — accounting for the hardtop support legs, center console, under-gunnel rod storage, and the expansive forward and aft casting platforms that define the LX Bay Series. The reinforced cutouts fit precisely around the T-Top frame while the hem cord traces the rubrail for a tight, rattle-free fit. Installation takes under five minutes solo. Remove the cover before towing — it’s designed for storage, not highway travel. Owners stepping up to the Sea Chaser 23 LX T-Top boat cover will find the same precision construction in a larger platform.
Protection Built for the Salt
Bay boats live in salt — salt air, salt spray, salt-crusted docks — and the 21 LX’s cover is engineered for that environment. The 9oz solution-dyed marine fabric delivers 5-7 years of UV and weather protection, while Sunbrella acrylic extends that to 8-10 years with superior mildew resistance. Double-stitched seams, UV-resistant thread, and a breathable water-repellent finish keep the cockpit dry without trapping humidity underneath. Our warranty (1 year on materials and workmanship, plus 3–6 years on the fabric) backs every cover. Sea Chaser owners who also run a Sea Chaser 22 HFC T-Top boat cover for offshore trips can protect both boats with the same trusted fit.