Sea Hunt Ultra 275 SE — Quick-Reference Specs
- Boat Model: Sea Hunt Ultra 275 SE
- Cover Type: T-Top Mooring Cover
- LOA: 27'6"
- Beam: 9'6"
- Dry Weight: 5,500 lbs
- Engine: Twin Yamaha outboards (max 500 HP total)
- Fuel Capacity: 175 gallons
- Deadrise: 21° at transom
- Hull Type: Deep-V fiberglass
Cover Features
- Fit: Custom-fitted for the Sea Hunt Ultra 275 SE T-top
- Attachment: Underside edges of factory T-top frame
- T-Top Roof: Stays fully exposed
- Coverage: 85–90% of hull sides, fully enclosing both outboard engines
- Fabric Options: 9oz marine canvas (most popular) or Sunbrella
- Construction: Reinforced stitching at all stress points with stainless snaps
- Warranty: Multi-year warranty against UV and weather damage
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 | 37 lbs |
|---|
Install
Please watch the video below for installation instructions!
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Frequently Asked Questions
The Ultra 275 SE measures 27 feet 6 inches LOA with a 9-foot 6-inch beam, a deep-V hull with 21-degree deadrise at the transom, and weighs approximately 5,500 pounds dry. Our cover is patterned specifically for these dimensions — it accounts for the 275 SE's wide beam, aggressive deadrise angle, twin-engine transom width, T-top leg spacing, and console position. The fit drapes from the T-top frame down to enclose approximately 85–90 percent of the hull sides with no excess material to pool water or catch wind.
Yes. The Ultra 275 SE runs twin Yamaha outboards producing up to 500 total horsepower. Our cover extends from the bow past the transom and completely encloses both engine cowlings, powerheads, lower unit connections, and all transom mounting hardware. The twin-engine transom on the 275 SE is significantly wider than single-engine or smaller twin-engine setups, and our cover panels are specifically shaped to wrap both engines cleanly without leaving gaps between cowlings or along the outer edges.
The 275 SE's 175-gallon fuel tank provides extraordinary bluewater range — capable of reaching distant offshore fishing grounds and returning without refueling. That range means this boat spends extended time in the harshest saltwater conditions: docked at exposed offshore marinas, stored between multi-day tournament circuits, and facing constant UV bombardment reflected off open water. Our Sunbrella marine-grade fabric is engineered for exactly these conditions — it resists salt crystallization, blocks intensified UV, and prevents mold growth in humid coastal storage.
The cover features a separate zippered section that fits around the T-top support legs. The T-top roof remains fully exposed on top — only the underside edges of the frame serve as attachment points. This lets you install or remove the cover without fighting the hardtop structure. The 275 SE has one of the largest T-top frames in the Sea Hunt lineup with wider leg spacing and heavier construction, and our cover is patterned for the exact frame dimensions of this specific boat — not adapted from a smaller model.
Yes. The Ultra 275 SE typically comes equipped with dual large-format Garmin touchscreen displays, VHF radio, and a comprehensive suite of helm electronics standard on Ultra-series boats. Our cover provides complete coverage over the entire helm station, shielding all screens and instruments from UV exposure that cracks displays, fades LCD panels, and degrades waterproof gasket seals. For a boat with this level of electronics investment, consistent UV protection dramatically extends the lifespan of every component at the helm.
The Ultra 275 SE has specific dimensions no generic cover can match. The twin-engine transom width, T-top leg spacing, 9-foot 6-inch beam, 21-degree deadrise hull angle, console position, and gunwale height are all unique to this model. A universal 27-foot cover will leave dangerous gaps at the twin-engine transom, pool water across the aggressive deadrise hull shape, and flap loose in coastal winds. Our cover is cut from the factory specifications — every panel, strap position, and seam is calibrated for the 275 SE's exact hull geometry.
Yes. At 5,500 pounds dry weight with a wide 9-foot 6-inch beam and twin engines, the 275 SE creates substantial wind load during highway transport. Our cover handles it — adjustable tie-down straps run beneath the hull and cinch tight along the gunwales, preventing wind lift at sustained highway speeds. Reinforced stitching at every stress point manages the vibration and wind pressure of extended towing. The cover fits flush against the hull to reduce drag and eliminate the flapping that destroys lighter covers during transport.
A T-top mooring cover uses the boat's fixed hardtop frame as its primary structural support. Unlike a full snap-on cover that would require removing the T-top, or a universal tarp that sags and pools water, a T-top mooring cover attaches to the underside edges of the hardtop frame. It drapes down to protect the cockpit, console, and gunwales while the T-top roof stays exposed above. A zippered section fits around the support legs. For a boat the size of the 275 SE, this design is essential — it provides the structural support needed to keep a large cover taut and wind-resistant across the wide beam.
We offer three tiers. The 7 oz polyester is our entry-level option with a 3-year warranty, shipping in black. The 9 oz polyester is popular among Sea Hunt owners — the denser weave delivers superior abrasion resistance and UV blocking with a 5-year warranty, available in navy or black. Our premium Sunbrella uses 100% solution-dyed acrylic trusted by marine professionals worldwide, carrying a 6-year fabric warranty in black, smoke, or marine blue. For a boat at this investment level, most 275 SE owners choose Sunbrella or the 9 oz polyester for maximum long-term protection.
Select your model year, storage method (trailer, lift, dry stack, or dock), T-top type (hardtop, hardtop with aft support bars, or canvas top), engine make and horsepower for each engine, and any aftermarket accessories like jack plates or Power Poles. Our design team combines these details with the 275 SE's factory specifications to pattern your cover for a precise fit. The twin-engine configuration is especially important — note the exact engine models so we can shape the transom panels correctly. Add any other modifications in the order comments.
Sea Hunt Ultra 275 SE T-Top Boat Cover – Elite Protection for an Elite Offshore Platform
The Sea Hunt Ultra 275 SE is among the largest and most capable center consoles in the Sea Hunt lineup — a full-size offshore machine built for extended bluewater expeditions and tournament-level fishing. At 27 feet 6 inches long with a 9-foot 6-inch beam, a deep-V hull with 21-degree deadrise, and a massive 175-gallon fuel tank, the 275 SE delivers the range, ride quality, and fishability that serious offshore anglers demand. Our custom T-top mooring cover is patterned specifically for the Ultra 275 SE’s hull dimensions, twin-engine transom, and factory T-top frame.
Why the Ultra 275 SE Demands Purpose-Built Protection
At approximately 5,500 pounds dry weight with twin outboards pushing up to 500 total horsepower, the 275 SE represents a major investment in offshore performance. The Ultra series features premium upholstery, integrated Garmin electronics suites, refined hull geometry, and elevated fit and finish throughout. UV exposure fades premium gelcoat, cracks high-end vinyl seating, and degrades waterproof electronics seals — problems that accelerate in the intense saltwater environments where this boat lives. Owners of other Ultra-series boats like the Sea Hunt 211 Ultra CC understand that a generic cover cannot handle the twin-engine transom profile, specific T-top geometry, and wider beam dimensions unique to each model. A boat at this level deserves cover protection to match.
How the Custom T-Top Cover Fits Your 275 SE
The cover attaches directly to the underside edges of the factory T-top frame, then drapes down to enclose approximately 85–90 percent of the hull sides while fully covering both outboard engines. The T-top roof stays completely exposed above. A separate zippered section accommodates the T-top support legs so you can install or remove the cover without fighting the hardtop structure. Reinforced stitching at every stress point, stainless steel snaps, and adjustable tie-down straps along the gunwales keep everything locked down through coastal winds and seasonal storms. The 275 SE’s wide 9-foot 6-inch beam and twin-engine transom require specific panel shaping that smaller or single-engine covers cannot provide.
Built for Extended Bluewater Storage Conditions
With a 175-gallon fuel tank providing extraordinary offshore range, the 275 SE spends extended time in the harshest marine environments — docked at offshore marinas, stored on heavy-duty lifts, or trailered between tournament circuits across the coast. Our 9 oz marine canvas is the most popular choice — the heavier weave provides superior abrasion resistance and UV blocking while breathing to prevent trapped moisture and mildew. For boaters who want the absolute best, our Sunbrella option delivers unmatched UV and mold resistance with a 6-year fabric warranty. The same materials and construction quality protect other large Sea Hunt platforms like the Sea Hunt 265 Ultra T-Top. Available in navy, black, and charcoal gray — purpose-built for the Ultra 275 SE and nothing else.
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