Lewmar Ocean 44 with Flanged Base

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.