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Picture this: you're out on the water, waves crashing, wind whipping, but inside your cabin, fresh air circulates effortlessly while rain stays firmly outside. That's the everyday reality with the Lewmar Ocean Flat Base Size 60 Hatch. This isn't just any deck access point—it's a battle-tested essential designed for sailors who demand reliability in the harshest marine environments. Thousands of vessels worldwide rely on its timeless design to handle everything from coastal cruises to offshore adventures.
What sets it apart? A blend of smart engineering and robust materials that prioritize safety, ventilation, and longevity. Whether you're retrofitting an older yacht or outfitting a new build, this hatch delivers without compromise.
The Lewmar Ocean hatch shines through thoughtful details that solve real boating challenges:
These aren't gimmicks—they're proven solutions from a brand that's shaped marine hardware for decades.
| Specification | Metric (mm) | Imperial (in.) |
|---|---|---|
| Length | 574 | 22 5/8 |
| Width | 574 | 22 5/8 |
| Height | 43 | 1-11/16 |
| Radii | 76 | 3 |
| Hinge Width | 367 | 14-7/16 |
| Cut-Out Length (Flat/Flange) | 502 | 19-3/4 |
| Cut-Out Width (Flat/Flange) | 502 | 19-3/4 |
| Cut-Out Radii (Flat/Flange) | 40 | 1-9/16 |
| Hatch Weight | 8 kg | 17.6 lb |
| Acrylic Thickness | 12 | 1/2 |
A clean, square profile with a flat base ensures flush mounting on most surfaces, minimizing drag and maximizing headroom below deck.
Investing in this hatch means tackling common pain points head-on. It provides exceptional ventilation to combat cabin stuffiness, natural light to brighten interiors, and a watertight seal that withstands pounding seas. The low-profile design reduces windage, while the sturdy build supports foot traffic on deck. Boaters rave about its ease of operation—one hand opens it smoothly, even with wet gloves on. Plus, the smoke grey tint cuts glare without darkening your view, ideal for chart tables or sleeping quarters.
Compared to plastic alternatives, the anodized frame and thick acrylic offer superior strength-to-weight, holding up where others fail.
Installation is straightforward for DIYers or pros. Template matching the 502mm square cut-out, seal with marine-grade bedding compound, and secure via the flat base flange. No special tools needed beyond a jigsaw and drill. Pro tip: Align hinges aft to shed water efficiently.
Maintenance? Wipe the acrylic with mild soap and a microfiber cloth—avoid abrasives. Lubricate friction levers annually with silicone spray for silky operation. Regular checks catch any sealant wear early, ensuring decades of service.
The friction levers allow the hatch to open up to 95 degrees and hold securely at any position for customizable ventilation.
Yes, the anodized aluminum frame provides excellent corrosion resistance, making it perfect for harsh marine conditions including saltwater exposure.
The cut-out measures 502 mm (19-3/4 in.) in both length and width, with 40 mm (1-9/16 in.) radii for a precise, flush fit.
Absolutely—it's CE certified for Area 2, suitable for decks, coachroofs, cockpits, and transoms.
The smoke grey acrylic is 12 mm (1/2 in.) thick, offering impact resistance and clear visibility.
It weighs 8 kg (17.6 lb.), balancing durability with ease of handling during installation.
No, it mounts directly with standard marine fasteners and sealant for a secure, low-profile installation.
Ocean Flat Base - Size 60 Hatch
With its classic style, the Ocean Hatch is fitted to thousands of boats around the world. Its rugged construction provides the ultimate protection against the elements, whatever conditions you might face.
Features:
Specifications:
*Sold as an Individual
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
US$40
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