Boat Smarter, Protect Your Gear.

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Boat Smarter, Protect Your Gear.

West Marine Product Protection powered by Extend

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Underwater Lights
71 Items
Underwater Lights
71 Items
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INCREDIBLE UNDERWATER LIGHTS
$774.99 - $1,004.99
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4 3/4" Underwater LED Light with Stainless Steel Housing, RGBW
SEAVOLT
$25.49 Price reduced from $144.99 to
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LUMITEC LIGHTING
2
$477.99
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LED Premium Drain Plug Light, RGB
WEST MARINE
1
$23.49 Price reduced from $132.99 to
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Sale
4 3/4" Underwater LED Light with Stainless Steel Housing, Blue
SEAVOLT
$24.99 Price reduced from $141.99 to
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WEST MARINE
35
$115.99
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LUMITEC LIGHTING
8
$706.99
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3 1/2" Underwater LED Light with Plastic Housing, RGB
SEAVOLT
2
$17.74 Price reduced from $100.99 to
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Boat Smarter, Protect Your Gear.

West Marine Product Protection powered by Extend

Learn More

Boat Smarter, Protect Your Gear.

West Marine Product Protection powered by Extend

Learn More

Sale
4 3/4" Underwater LED Light with Stainless Steel Housing, White
SEAVOLT
1
$24.99 Price reduced from $141.99 to
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SEAVOLT
4
$68.99
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LUMITEC LIGHTING
4
$349.99
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LUMITEC LIGHTING
$347.99
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LUMITEC LIGHTING
1
$432.99
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LUMITEC LIGHTING
1
$248.99
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SEAVOLT
4
$151.99
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LUMISHORE
1
$519.99
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Add to Cart
Add to Cart
LUMITEC LIGHTING
$771.99
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Sale
3 1/2" Underwater LED Light with Plastic Housing, White
SEAVOLT
$17.24 Price reduced from $98.99 to
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VALUE BUNDLE
Lumitec Lighting Kit - 2 Seablaze Mini Underwater Lights RBGW, 4 Fiji Courtesy Lights RGBW, 1 POCO Digital Control Module
LUMITEC LIGHTING
$840.99
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MARINE SPORT LIGHTING
$175.99
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LUMISHORE
$1,049.99 - $4,049.99
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SEAVOLT
4
$110.99
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SEAVOLT
$93.99
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LUMITEC LIGHTING
$1,946.99
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Enhance Your Boat’s Style and Safety with Underwater Lights

Underwater lights aren’t just about good looks—they bring functional value to nighttime boating. Whether you’re cruising after sunset, fishing in low light, or relaxing at anchor, underwater lights create ambiance, increase visibility, and attract marine life to your boat. At West Marine, we carry a variety of high-performance underwater lighting solutions to suit every type of vessel and use case.

What Are Underwater Boat Lights?

Mounted below the waterline, underwater boat lights are designed to illuminate the water around your vessel at night. Available in stainless steel, polycarbonate, and bronze housings, they’re built to withstand harsh marine conditions. From single-color LEDs to full-spectrum RGB options with programmable patterns, these lights bring both function and flair to your onboard experience.

Surface Mount vs. Thru-Hull Installations

Choosing between surface mount and thru-hull lights depends on your boat and your needs. Surface mount lights are easy to install and more budget-friendly. Thru-hull lights offer a flush fit that minimizes drag and can often be serviced from inside the boat. Both types can be wired to manual switches or integrated with advanced digital lighting controllers.

Attract Fish and Boost Nighttime Visibility

Underwater lights do more than enhance aesthetics—they’re also practical for night fishing. Lights draw in plankton, which attract baitfish, which in turn bring in game fish. The illuminated area around your boat also helps improve awareness and reduces the risk of accidents when navigating or docking at night.

Durable Lighting That Withstands the Elements

Our underwater lights are built to handle life in saltwater. With UV-resistant and corrosion-proof housings, they’re engineered to resist rust, pitting, and degradation from constant marine exposure. Look for sealed, IP-rated units that deliver consistent performance, year after year.

Energy-Efficient LED Lighting for Your Boat

All the underwater lights we offer at West Marine use LED technology, known for its brightness, efficiency, and long lifespan. LEDs draw less current from your battery, making them ideal for extended time on the water. Compared to halogen systems, LED underwater lights run cooler and last longer with significantly less maintenance.

Simple Installation and Easy Upkeep

Most underwater lights are designed for straightforward DIY installation with clear instructions and mounting templates. Surface-mounted models often require just a few screws and a basic wiring connection. Maintenance involves periodic cleaning to remove biofouling or salt buildup, ensuring the lenses stay clear and the lights stay bright.

Underwater Lights FAQ

Underwater lights improve visibility, attract fish, and create a dramatic lighting effect at night. They’re also useful for docking, safety, and enhancing the overall experience on board.

Yes, most boats can be equipped with underwater lights. The installation method may vary depending on the hull design and available mounting surfaces.

Regulations vary by location. In some areas, certain colors like red or blue may be restricted while underway. Always check local boating laws before using colored lights in motion.

The number of lights depends on your boat’s size and lighting goals. Smaller boats may use two transom-mounted lights, while larger vessels often install four or more along the sides and stern.

White lights provide clear visibility and a clean look. Colored lights, especially those with RGB controls, allow you to create vibrant visual effects and ambiance while also attracting fish more effectively.

LED underwater lights are very energy-efficient and draw minimal current. Still, it’s wise to monitor your battery levels, especially if running multiple lights for extended periods.

Marine-grade stainless steel, bronze, and polycarbonate are all commonly used. These materials resist corrosion and impact, making them ideal for underwater use in both salt and fresh water.

Quality LED underwater lights can last 30,000–50,000 hours, depending on usage and care. They offer a much longer service life than traditional halogen lights.

Some advanced lighting systems offer syncing with audio via Bluetooth controllers. This allows the lights to flash or change color with music, creating an engaging party atmosphere onboard.

Rinse your lights with fresh water after each use, especially after saltwater exposure. Use a soft cloth to clean the lens and avoid abrasive cleaners. Check electrical connections periodically for corrosion or wear.