Hatch & Portlight

Ocean Hatch

The Lewmar Ocean Hatch is engineered for serious offshore use, delivering exceptional strength, safety, and watertight performance in demanding conditions. Designed for blue-water cruising, its robust construction and purposeful deck profile provide confidence and reliability at sea. Manufactured from solid marine-grade aluminium with a thick acrylic lid, the hatch is built to withstand heavy loads, green water, and prolonged exposure to harsh marine environments. A trusted choice for offshore yachts and professional builds, backed by Lewmar’s proven ocean-going heritage.

More Information

Options

Ocean-Proven Heritage

The Lewmar Ocean Hatch represents a benchmark in offshore hatch design, trusted by blue-water sailors and professional builders worldwide. Developed for demanding ocean conditions, it combines proven Lewmar engineering with uncompromising strength, delivering confidence, safety, and comfort on extended passages and serious cruising programs.

Purpose-Built Design

Designed specifically for offshore use, the Ocean Hatch features a strong, purposeful deck presence that prioritises structural integrity and safe operation in heavy weather. Its form is optimised o manage water flow and deck loads, while maintaining practical ergonomics for regular opening, ventilation, and emergency access when required.

Heavy-Duty Construction

Manufactured from solid, marine-grade aluminium with a deep-section frame, the Ocean Hatch is engineered for exceptional strength and resistance to distortion. The thick acrylic lid is securely bonded and supported to withstand repeated wave impact, green water loads, and the harsh realities of offshore sailing. Corrosion-resistant components and precision manufacturing ensure long-term durability in saltwater environments.

Offshore Performance

Engineered to deliver outstanding watertight integrity, the Ocean Hatch provides dependable sealing under load, helping protect the vessel interior in demanding conditions. Secure locking mechanisms and robust hinges maintain consistent performance at sea, while clear acrylic glazing allows natural light below deck without compromising safety or strength.

Installation & Application

Designed with professional installation in mind, the Lewmar Ocean Hatch is suitable for both new offshore builds and high-quality refits. A range of sizes and configurations supports integration across foredecks, coach roofs, and cockpit structures. Its proven design and compliance-ready construction make it a trusted choice for serious cruising yachts and vessels operating far from shelter.

We have no additional data for your currently selection.
Please try selecting a different product

Associated Parts

loader
Please Wait...

Privacy Overview

Customise your experience
x
This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.