10 Best Underwater Boat Lights 2025 in the United States

The Shadow-Caster SCR-24 is a bright underwater boat light offering up to 7,500 lumens from 24 powerful LEDs, making it excellent for illuminating underwater areas around your boat. Its Bimini Blue color adds a stylish and attractive glow. The light is built to last with a tough bronze housing and a scratch-resistant tempered glass lens, both ideal for withstanding harsh marine conditions. It’s fully submersible with an IP68 waterproof rating, meaning it can stay underwater without issues.

The product also includes safety features like surge protection and reverse polarity protection, helping prevent damage from electrical problems. Its thermal throttling technology ensures it operates safely even when not submerged, adding peace of mind. The surface mount installation is straightforward and doesn’t require complicated setup. Though it runs on 90 watts, which is on the higher side, this power consumption supports its bright and wide underwater coverage.

At about 3 pounds and compact size, it’s easy to handle and install. This light is ideal for boat owners wanting a reliable, bright, and durable underwater lighting solution that enhances both safety and aesthetics. For those seeking quality underwater illumination, this product performs very well.

The Five Oceans 2-Pack Underwater Boat Lights offer a solid option for boat owners looking to enhance their underwater visibility. These lights stand out with their high brightness of 3000 lumens and a blue LED color, making them both powerful and visually appealing. The marine-grade 316 stainless steel body and glass lens ensure durability and resistance to the harsh marine environment, including being vibration and shock resistant. The IP68 waterproof rating further enhances its reliability underwater.

With a 120-degree beam angle, these lights provide broad underwater illumination, which is beneficial for general lighting needs around the boat's transom and sides. Installation is straightforward, requiring just a small pierce for the cable, with additional sealing recommended for optimal performance. The lights also feature a water cooling system to prevent overheating, adding to their longevity. These underwater lights operate on a wide voltage range (12-30V DC), making them versatile for various boat setups.

However, some potential buyers might find the wattage consumption (21.6 watts) to be somewhat high, and the product's availability and ranking in the market suggest it may not be the most popular option. The product's dimensions and weight are reasonable, making it manageable for most installations. For those particularly interested in powerful, blue underwater illumination with durable construction, these lights are a commendable choice.

The OceanLED 012307C X-Series X8 is a solid choice if you want vibrant, colorful underwater lighting for your boat. It offers a bright output of 2900 lumens, which is plenty to illuminate underwater areas effectively and create striking visual effects. The RGBW color option means you can enjoy a range of colors plus white light, adding versatility for mood or functional lighting.

The light uses durable plastic with a chemically resistant optical polymer shade, which should hold up well in marine environments. It installs on the transom or hull and runs on a 12-volt corded electric power source, which is typical and reliable for boat setups. The LEDs are well-sealed with IP68 rated protection, meaning the light is fully waterproof and safe for continuous underwater use.

The product dimensions are a bit large compared to some alternatives, and since it’s plastic rather than metal, it might not feel as rugged to some users. This light is well suited for boat owners seeking bright, multi-color underwater lighting with dependable waterproofing and a modern look.