Where to Buy Lewmar Hatch Replacement Parts
Lewmar hatch parts are sold by profile, size, and part type. Learn which spare -- seal kit, hinge kit, lid assembly, handle kit, trim kit, or flyscreen -- fixes your...
Sailiboat Hatches & PortlightsHow-To Guides
Bring light and fresh air below deck with the right hatches and portlights. Learn how to size, seal, and replace them to keep your cabin dry, bright, and ventilated.
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How to Measure a Lewmar Hatch for a Replacement
How to measure your existing Lewmar hatch's deck cut-out and identify its profile — Low Profile, Medium, Ocean, Flush, Ultra Low or Pilot — before ordering a correct replacement.
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How to Rebuild a Lewmar Low Profile Hatch
A practical guide to servicing a Lewmar Low Profile hatch part by part — diagnosing hinge, seal or friction-lever failure, the general disassembly/reassembly sequence, and when a full hatch replacement...
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Choosing Portlights: Fixed vs Opening, Materials & Sizing
A teaching guide to portlight selection: how fixed and opening portlights differ, which frame material and acrylic tint suit which cabin location, and how to size a cutout using real...
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Hatch vs Portlight vs Ventilator: What Goes Where
A quick guide to the three fittings that put light, air, and access into a sailboat cabin — deck hatches, portlights, and passive deck ventilators — and which one belongs...
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How to Choose Hatches & Portlights: A Sizing and Selection Guide
Choosing hatches and portlights is a fitting exercise, not a shopping one: you size each unit to the deck or hull opening it serves, then pick a profile that matches...
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Lewmar Portlights
Standard/Atlantic or Flush Mitre—which opening portlight suits your boat? Learn how profile, installation location, and weather exposure guide the choice for watertight ventilation and light.
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Lewmar Hatches
How do you choose a deck hatch for light, ventilation, and access? Learn how Lewmar's Ocean, Medium and Low Profile, and Flush series differ, and how to match hatch size...
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Lewmar Ultra Low Profile Hatch: Sleek, Low-Profile Deck Hatches
The Lewmar Ultra Low Profile hatch is a flush, low-profile deck hatch that sits just 10 mm above the deck and retrofits directly into existing Lewmar Low Profile, Medium Profile...
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All you need to know about ordering Beckson Newport Ports
To order the correct Beckson Newport port, you need four things: the port size (model), the style (Self-Drain vs. Rain Drain), the required spigot length, and the mounting hole cut...
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Why get Lewmar Ocean Hatches if you cruise
Lewmar Ocean Hatches are the go-to deck hatch for cruising sailors because their rugged, high-profile design delivers the strongest weather protection and best offshore ventilation of any standard Lewmar hatch....
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Vetus Altus Hatch Specifications
Vetus Altus hatches come in three functional types — Escape, Deck, and Ventilation — each certified to CE Category AII with a dark smoke or opaque acrylic lens and a...
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Lewmar Low Profile Hatch Specifications
Lewmar Low Profile Hatches are corrosion-resistant deck hatches with a sleek, low-rise anodized aluminum frame and grey acrylic lens, sized 0 through 60 for everything from small ventilation openings to...
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Lewmar Hatches Selection
Lewmar builds three main sailboat deck hatch families — Low Profile (25 mm lids), Medium Profile (32 mm lids), and the classic Ocean Hatch (9.53 mm acrylic) — and the right one depends...
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How To Remove and Install Hatches and Portlights
To remove and install a sailboat hatch or portlight, lift the old lower frame free by gently prying it off the deck, cut the bedding compound, clean out the old...
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How are Lewmar Low Profile Hatches composed?
A Lewmar Low Profile hatch is built from seven main parts: the acrylic lid, a rubber seal, inside and outside handles, a friction hinge kit, joining inserts and screws, upper...
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Hatches & Portlights
Marine hatches and portlights are deck and hull openings that bring light and fresh air below, and the right choice comes down to where it mounts, how watertight it must...
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Hatches and Portlights Maintenance
Hatch and portlight maintenance comes down to three habits: rinse with fresh water after every sail, clean acrylic and painted aluminum only with mild soap (never solvents), and lubricate seals...
