Invincible 33 Catamaran Specifications
- Length Overall (LOA): 33'11"
- Beam: 10'3"
- Dry Weight: ~9,800 lbs (with power)
- Engine: Twin outboards, max 900 HP
- Fuel Capacity: 400 gallons
- Draft: ~22"
- Hull Type: Catamaran (twin-hull)
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 33'11" Invincible 33 Catamaran 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
We offer two options: our standard 9oz solution-dyed marine fabric, which delivers 5–7 years of UV-resistant, mildew-resistant protection, and our premium Sunbrella acrylic, which provides 8–10 years of service life. Both fabrics are water-repellent and engineered for demanding saltwater environments.
The cover wraps the hull and cockpit below the T-Top hardtop while the frame remains exposed above. It is patterned to fit around the T-Top support legs, center console, leaning post, and rod holders without any cutting or modification required.
A single person can install the cover in under five minutes. The strap-and-buckle system uses a hem cord that seats at the rubrail on each hull sponson and adjustable tie-down straps that lock everything tight — no tools or additional hardware needed.
Yes. The cover is fully trailerable and designed to stay secure at highway speeds. Reinforced stitching and adjustable straps prevent flapping or lifting, so your boat stays protected during transport from storage to the ramp.
Yes. The cover shields the full cockpit below the hardtop, including helm electronics, multifunction displays, and any flush-mounted fish finders. It blocks UV rays, rain, and salt spray that can degrade screens and electrical connections over time.
Every Invincible 33 Catamaran T-Top cover is backed by a 2-year warranty covering defects in material and workmanship. The warranty applies to both the 9oz solution-dyed marine fabric and the premium Sunbrella acrylic option.
The cover is water-repellent rather than fully waterproof. This is by design — breathable, water-repellent fabric sheds rain and spray while allowing moisture vapor to escape, which prevents mildew and condensation from forming beneath the cover in humid marine climates.
This cover is custom-fitted to the Invincible 33 Catamaran hull dimensions and fits all production model years. Since hull geometry has remained consistent across the platform, one cover pattern fits them all. Contact us if your boat has significant aftermarket modifications.
We offer a full range of colors in both the 9oz solution-dyed marine fabric and Sunbrella acrylic lines. Popular selections include navy, black, charcoal, and lighter tones that help reduce heat buildup under the cover. Choose your color during checkout.
Shipping is a flat rate of $299 for all T-Top boat covers, delivered anywhere in the continental United States. Orders typically ship within 4–6 weeks of placement.
⏱️ 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
Invincible 33 Catamaran T-Top Boat Cover — Twin-Hull Offshore Protection Built for Serious Anglers
The Invincible 33 Catamaran is a 33’11” offshore powerhouse with a 10’3″ beam, twin-hull catamaran design, and up to 900 horsepower of outboard muscle. Built by Invincible Boats in Opa-locka, Florida since 2006, this cat runs a shallow 1’10” draft despite carrying 400 gallons of fuel and tipping the scales around 9,800 lbs with power. That signature catamaran stability and blistering offshore performance deserve a cover that keeps pace. Our custom-fitted T-Top boat cover for the Invincible 33 Catamaran shields every square inch of the cockpit, console, and gunwales while your boat sits dockside, on the trailer, or in dry storage. Whether you run twin 300s or quad-rigged 450s, this cover wraps cleanly below the hardtop and protects the investment you made in one of the most capable center console boat covers platforms on the water.
Tailored to the 33 Catamaran’s Expansive Dual-Hull Deck
Covering a catamaran is not the same as covering a monohull. The Invincible 33 Cat’s wide 10’3″ beam, twin sponsons, and massive cockpit footprint demand a cover pattern engineered specifically for dual-hull geometry. Our cover accounts for the T-Top support legs, center console, leaning post with integrated rod holders, transom live wells, and the generous bow platform that catamaran owners rely on. The hem cord seats firmly at the rubrail on each hull, and adjustable tie-down straps lock the cover tight across both sponsons so wind cannot work its way underneath. Installation takes under five minutes solo using our strap-and-buckle system — no complicated frames or extra hardware. The cover is fully trailerable, staying secure at highway speeds so you can tow to the ramp with confidence. If you also own the monohull variant, check out our Invincible 33 Open T-Top boat cover for the same quality fit on a deep-vee hull.
Protection That Matches Invincible Quality
Invincible builds boats that run hard in saltwater conditions year after year, and your cover should hold up just as well. Choose our 9oz solution-dyed marine fabric for proven 5–7 year durability with excellent UV resistance and color retention, or upgrade to premium Sunbrella acrylic for 8–10 years of service in the harshest sun and salt environments. Both options are water-repellent, mildew-resistant, and finished with double-stitched seams at every stress point. Every cover ships with a 2-year warranty against material and workmanship defects. Catamaran owners who value stability and smooth rides may also appreciate our World Cat 235 TE T-Top boat cover — another twin-hull platform built for serious offshore fishing.
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