AirowMarine 316 SS Round Porthole - Impact-Resistant Acrylic (262.6mm OD)

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Sale price€148,95
Size: 198MM
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Elevate your vessel's aesthetic and functionality with the AirowMarine 262.6mm Round Porthole, meticulously crafted to the highest marine standards. Featuring a precision-engineered frame of mirror-polished 316 Stainless Steel, this porthole offers exceptional corrosion resistance and a pristine, enduring finish that stands up to the harshest saltwater environments. The dark-tinted, impact-resistant acrylic lens provides superior clarity and UV protection, safeguarding your interior from sun degradation while ensuring robust durability against impacts. Equipped with UV-stabilized seals, this porthole guarantees a watertight integrity, essential for any marine application. With an outer diameter of 262.6mm, a base of 238.0mm, and a shallow 37.0mm depth, it's designed for seamless integration into a wide array of marine and yacht applications, delivering both security and sophistication.

Infographic for AirowMarine Porthole showing key features: 316 Stainless Steel, Impact-Resistant Acrylic, UV-Stabilized Seals. Specifications include 262.6mm Outer Diameter, 238.0mm Base, and 37.0mm Depth.

Frequently Asked Questions

How does the AirowMarine porthole resist harsh marine corrosion?
Our AirowMarine porthole is engineered with a frame constructed from genuine 316 Stainless Steel, renowned for its superior resistance to pitting and crevice corrosion in saltwater environments. The mirror-polished finish further enhances its corrosion protection by creating a smoother surface less prone to material adherence and chemical attack.
What kind of protection does the porthole offer against impacts and UV damage?
The porthole features a dark-tinted, impact-resistant acrylic lens, specifically chosen for its high durability and shatter resistance. Additionally, all integrated seals are UV-stabilized, preventing degradation, cracking, and loss of elasticity over time due to prolonged sun exposure, ensuring a long-lasting watertight seal.
Is this porthole compatible with various boat types and how does its size fit standard openings?
Yes, this AirowMarine porthole boasts a universal design suitable for a wide range of marine vessels including yachts, sailboats, powerboats, and pontoons. With an outer diameter of 262.6mm and a base of 238.0mm, it’s designed to fit common marine cutouts, providing a robust and aesthetically pleasing solution for new installations or replacements.

Engineering Specs

REV: 2025.Q4 // TECH-STANDARD
Material_Grade
316 Stainless Steel, Impact-Resistant Acrylic
Surface_Finish
Mirror Polish (316 SS Frame)
UV_Resistance
UV-Stabilized (Acrylic Lens & Seals)
Corrosion_Rating
316 Stainless Steel, Salt Spray Tested
Compatibility
Yacht, Sailboat, Powerboat, Pontoon, Center Console
Hull_Integration
Fiberglass, Aluminum, Wood, Composite
Standard_Ref
Universal Fit

ESTABLISHED 2017

AirowMarine

Professional Marine Hardware for a Safer Voyage.

Design engineers and marine consultants reviewing technical blueprints and a stainless steel porthole window assembly in an office overlooking a container port.

Our Roots

Hong Kong Based, 8 Years of Expertise

The story of AirowMarine began eight years ago. Headquartered in Hong Kong, we have been dedicated to the global operation and brand building of marine accessories. These eight years of experience have taught us that on the unpredictable sea, every single component carries the trust and safety of the boat owner.

B2B marine hardware production: A massive mirror-polished 316 stainless steel boat anchor being hoisted for quality verification in AirowMarine’s industrial workshop in mainland China.

Supply Chain

Invested Factories in Mainland China

To ensure our products withstand extreme environments, we are more than just a bridge for trade. AirowMarine has invested in its own manufacturing facilities in Mainland China. Leveraging the region's mature and efficient industrial supply chain, we are deeply involved in the entire process—from raw material selection and precision machining to final assembly. We avoid exaggerated claims; instead, through professional logistics and rigorous quality control, we ensure every product delivered to you meets high nautical-grade standards.

Technical quality control inspection showing a Mitutoyo digital caliper measuring a polished marine fitting at 12.45mm precision.

Reliability

Strict QC & Global Logistics

As a provider of marine accessories, our business is intimately connected to the water. We believe that protecting the ocean is not just a slogan; it must be reflected in every detail of our business. Currently, AirowMarine is continuously optimizing our packaging solutions: we maximize the reduction of single-use plastics in our packaging and shipping processes, using recyclable paper-based cushioning materials whenever possible. Our products are built to power your voyage, while our packaging is designed to protect the purity of the blue sea.

Close-up of a 316 stainless steel circular louvered deck vent in eco-friendly honeycomb paper packaging with AirowMarine shipping label.

Our Mission

Protecting the Blue, Plastic-Free

We are aware that there is always room for improvement, but we have never stopped in our pursuit of excellence and environmental responsibility. AirowMarine is committed to providing you with durable, reliable, and eco-conscious marine accessories.

Expert Guidance

Technical help in 24 hours

International Delivery

Secure & Tracked Shipping

Custom Solutions

Tailored parts for your boat

Factory Direct

Invested supply, best value

Proven Quality

Tested for nautical safety