Absolute Marine Porthole – Square 368 x 179 mm is a purpose-built marine window designed to bring daylight and ventilation to boats, yachts, and rugged offshore vessels. Featuring a hand-polished, anodized aluminium frame and a robust 10 mm thick dark smoke acrylic pane, this porthole combines durability with a sleek, contemporary profile.

• External dimensions: 368 x 179 mm
• Cut-out size (installation): 344 x 155 mm
• Cut-out radius: 61 mm
• Pane material & thickness: 10 mm thick dark-smoke acrylic
• Frame material: Hand-polished anodized aluminium
• Product code: MPZ623
• NZ Code: MPZ623 A 13/03/2021
• Brand: Absolute Marine

What sets this square porthole apart is its combination of corrosion-resistant aluminium and a sturdy acrylic pane, engineered to withstand marine environments while delivering a clear, glare-minimized view. The square profile adds a modern touch to cabins, bulkheads, and deckhouses, enhancing interior brightness without compromising on security or fit.

Ideal applications include cabin refurbishment, hull-side openings, or new-build installations where a reliable, ship-grade window is needed. The precise cut-out dimensions ensure a flush, professional fit in standard marine openings, making it a straightforward upgrade for both experienced installers and DIY enthusiasts.

Why choose Absolute Marine? This porthole reflects the brand’s heritage in durable marine fittings, delivering dependable performance under salt-air conditions with a refined finish. It’s more than a window—it’s a practical, long-lasting gateway to light and air on your vessel.