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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.

  • Vetus Hatch Adjuster Type PH marine ventilation hardware

    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...

  • Lewmar hatch catch block, a marine ventilation maintenance part

    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...