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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.

  • Lewmar Low Profile Hatch Size 40, grey acrylic / silver frame

    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...

  • Lewmar Flush Hatch 2G Size 60 Dark Grey Acrylic

    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....

  • Lewmar Low Profile Hatch Size 60 with Stay - Grey Acrylic / Silver Frame

    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...

  • Lewmar Low Profile Hatch Size 44 lid assembly with friction lever

    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...

  • Lewmar Low Profile Hatch - 12 x 12 in. (305 x 305 mm) (Grey Acrylic / Silver Frame) - Size 10

    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...