best boat underwater lights

The Best Underwater Boat Lights 2020

Adding underwater boat lights is a simple way of making it stand out in the water when it is parked up. You will notice LED underwater lighting on most yachts but most modern small boats are starting to jump on the trend.

The best boat underwater lights are the LED Lumitec SeaBlazeX that comes with a range of colors including blue, blue/white, green and solid white with up to 4,000 Lumens of light to fully illuminate the water around the boat.

Not only do underwater lights make boats look more modern and attractive but many anglers believe they attract fish towards the boat.

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Best LED Underwater Boat Lights

Underwater Boat LightLumensHousing
Lumitec SeaBlazeX LED4,000Bronze
Jiawill2,853Stainless Steel
AGPtek IP68 Waterproof LED1,600Stainless Steel
Shadow-Caster SCR-247,500Bronze
TH Marine LED-51866-DP180Plastic

The four main types of underwater lighting for boats are LED’s, xenons, metal halide and halogen bulbs. LED is the most popular type of underwater boat lights due to the brightness, aesthetics, and reliability associated with them.

Before purchasing underwater lighting, you will want to choose the light source, where it will be mounted, beam width and beam angle.

Different color lights are very popular and you are able to get any color that you wish to make your boat stand out from the rest. Below is a list of the best underwater boat lights that will provide your boat with the WOW factor.


SeaBlazeX LED Underwater Boat Lights
The Lumitec SeaBlazeX is a popular underwater light for boats that provides up to 4,000 Lumens. It is available in white, blue, green and white/blue with both strobe and cross fade modes for mixing things up.

Other features of the Lumitec SeaBlazeX LED underwater boat lights include:

  • Marine graded bronze alloy housing
  • Suitable for mounting on the transom
  • Small 1/2 inch through hole diameter
  • Low profile design
  • Simple toggle switch for different light modes
  • Tested in a salt spray chamber

As they are LED lights, they consume very little power, which means you will not need to install any powerful marine batteries if you were to have many of these lights. The Lumitec SeaBlazeX is a premium LED light that is easy to install on any boat.

Powerful, durable and long lasting are three terms used to describe these lights and they are by far the best underwater boat lights you can buy.

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Jiawill Underwater Boat LED Lights

Underwater Boat LED Lights
The cheaper Jiawill underwater boat lights is available in red, blue, green and white that produce an output of 2,853 Lumens. This is thanks to the 12 Cree LEDs that deliver the light output.

Features of the Jiawill LED underwater boat lights include:

  • 316 marine graded stainless steel housing
  • Shatterproof polycarbonate lens
  • Over temperature protection
  • Super low profile design at just 17mm
  • Includes all hardware for various installations

The stainless steel fascia of the Jiawill underwater light gives a great attractive finish and the light performs well with a range of colors available. They are the best LED underwater boat lights for the money and are much cheaper than the SeaBlazeX but not as powerful.

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AGPtek LED Marine Underwater Light

Marine Underwater Light
The AGPtek Stainless Steel IP68 Waterproof LED Marine Underwater Light is a premium package that is suited towards the larger luxury boats and yachts and is available in multiple sizes. This light includes 12 LED’s and comes with a fuse kit and power regulator to ensure a safe yet long-lasting source of light.

Features of the AGPtek Marine Underwater Lights include:

  • 316 marine graded stainless steel housing
  • Chrome plated for further resistance to corrosion
  • 5 x 1W Cree LEDs
  • 1,600 Lumens
  • Lifespan of over 30,000 hours

Overall, the AGPtek marine underwater light provides an excellent light source for a relatively reasonable price. Unlike the others mentioned, it is more of a rectangular shape than circular, which may be more appealing to some boat owners.

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Shadow-Caster SCR-24

most expensive underwater boat light
The Shadow Caster is the most expensive underwater boat light in this article. However, the additional cost reflects the performance with each light fixture having an impressive 24 LED’s that produce over 7,500 Lumens. There is a range of colors available but the white and blue LED illuminations are the most popular.

In terms of the Shadow Caster SCR-24 includes:

  • Durable bronze housing
  • Scratch-resistant clear glass lens
  • Made in the USA
  • Suitable for hull mounting
  • 4-inch diameter
  • Multiple brightness options
  • Choice of single or multi-color illumination
  • Dimming and strobe control
  • Surge and reverse polarity protected

Overall, it is a high end underwater marine light designed for luxury boats and yachts. It is the most powerful underwater boat light in this article and comes with 2 years warranty as peace of mind. It is expensive but if you own a very expensive boat or yacht, you will want to match it with an expensive light.

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TH Marine LED-51866-DP Underwater Lights

affordable underwater lightsFor those boat owner looking for affordable underwater lights that actually perform well in harsh conditions, the TH Marine LED’s are a great option. They are high-intensity lights with six bright LED’s that use a lower amperage draw than many other bulbs of a similar price bracket.

Features of the TH Marine LED-51866-DP lights include:

  • 180 Lumens
  • Dimensions are 3.5 x 1.5 inches
  • Powered by 12V DC
  • Low amperage draw
  • Includes hardware for installation

Not only are these underwater boat lights a fraction of the cost but they have over 100,000 hours of life, which is very impressive. These would be excellent to mount onto an inflatable dinghy boat or other smaller hulls.

Overall, the TH Marine LED-51866-DP are the best underwater lights for small boats with the added bonus of being very cheap to purchase. If you have a larger boat, it would be advisable to go for the other alternatives for a large illumination and go for a higher quality finish such as bronze or stainless steel.

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Underwater Boat Lights Buying Guide

Adding underwater lighting as a modification to your boat or yacht is an excellent way to make life easier and add value to your boat. Underwater lights for boats provide light for night time fishing and some anglers believe it attracts fishes to the boat. The main reason many boat owners choose this type of modification is simply to make their boat more attractive and modern.

The choice of color that the underwater light may be is dependent upon the manufacturer. Many include multiple colors such as red, blue and green but the most popular is the solid white xenon look. Many premium lights have modes that can come in the form of strobe lighting and many more. However, you will expect to pay a premium for this sort of functionality.

Although underwater boat lights are not an essential component of your boat, they are still an excellent investment that adds value to your boat. To help you make an informed buying decision, we have produced the buying guide below.

Underwater Boat Lights

LED, Xenon or Halogen

LED’s are the most popular form of underwater lighting for boats, this is due to many benefits such as a limited amount of power required, long lasting bulbs, low heat exposure and zero lag. Xenon light is mostly used in the automotive scene but they are seen here and there for underwater lighting. They provide a strong light penetration and spread but do become hot and prone to reliability issues.

Lastly the older halogen bulbs are a cheap alternative to all of the light sources above. However, they are soon becoming extinct due to the fact they draw so much power, provide a poor lifespan, low lumens and become hot after prolonged usage.

Underwater Lighting Installation

Installing the lights so that they work underwater usually requires drilling a small holes into the transom of the boat. This is not something to be worried about as the underwater light will usually come as a kit with all the hardware and mounting gear.

In short, you will need to align the light where you want it to be, drill through the hull, wire into a power source and ensure it is water tight. An excellent guide to installation can be found at Boating Mag with a 10 step guide.

LED Underwater Boat Lights

Housing Materials

As the underwater boat lights are mostly going to be submerged in water, its vital the material will not become corroded from the salty water. This will involve using materials such as bronze, stainless steel and durable plastic.

Almost all of the mid-range to premium lights will be bronze or stainless steel and they are what look the best. When on a budget, the majority will be plastic that won’t have the WOW factor but will do the job just fine.


Underwater lights for boats is a great modification that can be done by the majority of boat owners. It can make any boat look more modern than it actually is and provides a number of other benefits.

Due to the nature of underwater lighting, prices are not that cheap apart from the TH marine light. However, if you own an expensive boat, you would not want to spoil it with cheap lights but instead invest in high quality underwater boat lights that will add value to the boat in the long run.

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