The Global Round Portlights for Boats Market was valued at USD 1.25 Billion in 2024 and is projected to reach USD 1.78 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This robust expansion is fueled by escalating demand for new recreational boats, the retrofitting and modernization of existing fleets, and the integration of advanced materials like marine-grade polymers and tempered glass that enhance durability and safety.

As the marine industry navigates towards enhanced aesthetics, superior weatherproofing, and energy-efficient illumination, the focus sharpens on the manufacturers pioneering these critical components. In this comprehensive analysis, we spotlight the Top 10 Companies in the Round Portlights for Boats Industry—a curated list of established leaders and innovative specialists setting the standard for marine glazing and visibility solutions worldwide.

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🔟 1. Bomar (Pompanette LLC)

Headquarters: North Hampton, New Hampshire, USA
Key Offering: Cast Aluminum Round Portlights, Diamond Seaglaze Portlights

Bomar, a division of Pompanette LLC, is a globally recognized leader in marine hatch and portlight manufacturing. Renowned for their robust construction and exceptional seawater corrosion resistance, Bomar portlights are a preferred choice for commercial vessels, superyachts, and high-end recreational boats. Their products adhere to stringent ISO and ABYC standards.

Innovation & Market Position:

• Pioneering anodized and powder-coated finishes for extended lifespan

• Extensive product range with sizes from 4 inches to over 12 inches in diameter

• Strong OEM partnerships with major boat builders worldwide

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9️⃣ 2. Lewmar

Headquarters: Brixham, Devon, United Kingdom
Key Offering: Standard & Ocean Series Round Portlights, LED-Integrated Portlights

Lewmar is a powerhouse in marine hardware, offering a comprehensive portfolio that includes some of the most reliable round portlights on the market. Their Ocean Series is specifically engineered for harsh offshore conditions, featuring heavy-duty frames and secure locking mechanisms. Lewmar’s integration of energy-efficient LED lighting is a key market differentiator.

Innovation & Market Position:

• Advanced polymer lens technology for superior clarity and impact resistance

• Focus on user-friendly installation and maintenance systems

• Global distribution network serving shipyards and marine retailers

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8️⃣ 3. Beckson Marine Inc.

Headquarters: Bridgeport, Connecticut, USA
Key Offering: Thinline Series Portlights, ABS Plastic & Bronze Portlights

Beckson Marine has been a trusted name for over 60 years, specializing in affordable and durable marine ventilation and portlight solutions. Their Thinline series of round portlights are particularly popular for sailboats and small craft, offering a sleek profile without compromising on functionality. Beckson is known for its extensive catalog of direct replacement parts.

Innovation & Market Position:

• Leading manufacturer of corrosion-resistant ABS plastic portlights

• Focus on the DIY and boat repair market segment

• Commitment to American manufacturing and quality control

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7️⃣ 4. Gebo Marine Glazing

Headquarters: Schiedam, Netherlands
Key Offering: Custom Marine Windows, Heavy-Duty Round Portlights

Gebo Marine Glazing is a premier European supplier specializing in high-specification marine glazing for workboats, ferries, naval vessels, and mega-yachts. They excel in producing custom-sized round portlights that meet specific client requirements and rigorous classification society rules, including Lloyd’s Register and DNV.

Innovation & Market Position:

• Expertise in complex, thermally broken aluminum frames

• Supplying integrated window and portlight systems for new builds

• Strong presence in the European commercial and defense marine sectors

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6️⃣ 5. Foresti & Suardi S.p.A.

Headquarters: Bergamo, Italy
Key Offering: Stainless Steel Round Portlights, Designer Marine Windows

Foresti & Suardi represents Italian excellence in marine hardware, combining aesthetic design with engineering precision. Their round portlights, often crafted from 316L stainless steel, are synonymous with luxury and longevity. The company is a key supplier to Mediterranean yacht builders, where style and performance are paramount.

Innovation & Market Position:

• Focus on high-end, designer portlights for the superyacht market

• Use of laser-cutting and CNC machining for perfect fabrication

• Extensive finishing options including polished, satin, and black PVD coatings

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5️⃣ 6. Nemo Industrie / Amare

Headquarters: Cannes, France
Key Offering: Watertight Circular Portlights, “Grampian” Series

Nemo Industrie, often operating under the Amare brand, is a French manufacturer celebrated for its innovative and robust watertight doors, hatches, and portlights. Their round portlights are engineered to withstand extreme pressures, making them ideal for demanding offshore applications and professional vessels where safety is non-negotiable.

Innovation & Market Position:

• Specialization in high-pressure watertight and gas-tight certifications

• Advanced sealing systems using durable EPDM or silicone gaskets

• Significant market share in the European naval and patrol boat sector

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4️⃣ 7. Rutgerson Marine

Headquarters: Kungsbacka, Sweden
Key Offering: Classic & Modern Round Portlights, Stainless Steel Hardware

Rutgerson Marine is a Swedish company with a long history of producing high-quality, meticulously designed marine equipment. Their round portlights are known for their clean Scandinavian design, robust stainless steel construction, and exceptional craftsmanship. They cater to both traditional boat restorations and contemporary yacht builds.

Innovation & Market Position:

• Balancing traditional aesthetics with modern manufacturing techniques

• Strong focus on the Nordic and Baltic boating markets

• Reputation for products that offer a lifetime of service

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3️⃣ 8. BlueShark Yacht

Headquarters: Xiamen, China
Key Offering: OEM Portlights, Custom Marine Windows

BlueShark Yacht has emerged as a significant global player, specializing in the OEM supply of marine windows and portlights. They offer a cost-effective alternative without compromising on quality, utilizing advanced CNC machinery and strict quality assurance protocols. Their ability to handle large-volume orders makes them a key partner for production boat builders.

Innovation & Market Position:

• Competitive pricing structure for high-volume manufacturing

• Rapid prototyping and customization services for builders

• Growing export business to North American and European markets

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2️⃣ 9. Seaflo Marine & RV North America

Headquarters: Vancouver, Washington, USA
Key Offering: Economy and Premium Round Portlights, Marine Accessories

Seaflo Marine is a major distributor and manufacturer of marine components, including a wide array of round portlights designed for the recreational boating and RV markets. They provide a spectrum of products from economy-grade ABS models to more premium aluminum versions, catering to a broad customer base.

Innovation & Market Position:

• Extensive distribution through online and brick-and-mortar marine retailers

• Focus on the value-driven segment of the market

• Comprehensive product line that includes pumps, lights, and other accessories

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1️⃣ 10. Tecnoinox S.r.l.

Headquarters: Viadana, Italy
Key Offering: Stainless Steel Portlights, Marine Deck Hardware

Tecnoinox is an Italian specialist in stainless steel marine hardware. Their round portlights are fabricated from high-quality AISI 316 steel, ensuring maximum resistance to the marine environment. The company is respected for its craftsmanship and attention to detail, serving a clientele that values durability and a polished finish.

Innovation & Market Position:

• Expertise in precision TIG welding and metal fabrication

• Strong reputation within the Italian and Mediterranean boating community

• Products often used in refit and customization projects

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🔍 Outlook: The Future of Marine Portlights is Smarter and More Sustainable

The round portlights market is charting a course towards greater innovation, driven by material science advancements and the demand for smarter vessels. While traditional aluminum and stainless steel remain dominant, the industry is increasingly adopting composite materials and integrated technologies.

📈 Key Trends Shaping the Market:

• Growing adoption of polycarbonate and acrylic glazing for superior impact resistance and light transmission

• Integration of LED lighting and smart sensors for automated opening/closing and internal climate control

• Increased demand for customizable and aesthetically unique portlights in the superyacht sector

• Rising focus on sustainable manufacturing processes and recyclable materials

The companies profiled above are not merely manufacturing components; they are enhancing safety, comfort, and efficiency on the water, illuminating the path forward for the global marine industry.

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Round Portlights for Boats Market – View in Detailed Research Report