The 8 Best Underwater Aquarium Lights

Updated March 23, 2017 by Steven John

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We spent 28 hours on research, videography, and editing, to review the top options for this wiki. Submersible aquarium lights are a great way to provide illumination for your fish and other aquatic animals, and also to enhance the aesthetic appeal of your tank for the people who see it from the outside. We selected various units that offer you a range of color and brightness options, and that will serve many sizes and types of water features. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best underwater aquarium light on Amazon.

8. Bivisen Underwater Fish Tank Lamp

The Bivisen Underwater Fish Tank Lamp measures only seven and a half inches across, making it an ideal choice for small aquariums or for tanks where you only want one area illuminated. It installs easily with one hand and can be oriented vertically or horizontally.
  • will not affect tank temperature
  • works off 110v or 220v outlets
  • inferior suction cups
Brand Bivisen
Model pending
Weight 5.6 ounces
Rating 4.1 / 5.0

7. T Tocas Light with Bubbles

The T Tocas Light with Bubbles does not actually create the air bubbles it illuminates, but in fact relies on a separately purchased air pump. However, any pump can easily be connected to this unit, creating a bright and vibrant underwater tableau.
  • creates unique nightlight
  • easy assembly process
  • many units break within a few months
Brand T Tocas
Model pending
Weight pending
Rating 3.9 / 5.0

6. Thiroom RGB Submersible

These Thiroom RGB Submersible LED discs use batteries as their power source, so they can be easily inserted into anything from an aquarium to a hot tub to a flower arrangement and more without a nearby outlet or any installation necessary.
  • comes with 4 separate remotes
  • good price point
  • good for wedding or event decoration
Brand Thiroom
Model pending
Weight 12 ounces
Rating 4.5 / 5.0

5. Image 200MA

The four units in the Image 200MA set can be used to illuminate the many points of interest in your large indoor aquarium or in an outdoor pond or fountain. They can also be used out of water as landscape lights or to light up a pathway or patio.
  • easy to adjust beam direction
  • long power cable included
  • bulb life of more than 100k hours
Model pending
Weight 2.3 pounds
Rating 4.0 / 5.0

4. Xcellent Global Multi Color

With the Xcellent Global Multi Color securely installed in your fish tank, you can create an underwater environment shimmering with undulating lights that automatically cycle through seven different colors without any need for external input.
  • weighs less than 1 pound
  • safe for fresh or salt water
  • extra suction cup included
Brand Xcellent Global
Model pending
Weight 11.4 ounces
Rating 4.1 / 5.0

3. iNextStation Submersible Aquarium LED

The iNextStation Submersible Aquarium LED bar is self-weighted, so it stays in place with ease thanks to its twin suction cups being spared the pull of buoyancy. Its LED beads have a color changing cycle that can be controlled by an included remote control.
  • comes with low voltage transformer
  • effectively resists damage
  • adjustable brightness level
Brand iNextStation
Model DUNI00PC3811_01
Weight 10.9 ounces
Rating 4.6 / 5.0

2. Spriak Bubble Disk Air Stone

The Spriak Bubble Disk Air Stone emits a constant steam of diminutive bubbles that it then illuminates with its ring of LED lights. The result is an aquarium that's more interesting for both its aquatic inhabitants and for the humans who watch from the outside.
  • low-heat system
  • fits in most tanks
  • power cord certified sealed and safe
Brand Spriak
Model pending
Weight 12 ounces
Rating 4.6 / 5.0

1. Mingdak Submersible Crystal Glass Light

This Mingdak Submersible Crystal Glass Light uses 57 individual LEDs to brightly illuminate even a larger tank. The fixture's sleek, minimalist design won't impact the aesthetic of your tank, instead merely brightening all the other features you and your fish love.
  • adjustable mounting legs
  • mimics color profile of sunlight
  • protective end caps
Brand Mingdak
Model pending
Weight 0.3 ounces
Rating 4.7 / 5.0

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Last updated on March 23, 2017 by Steven John

When not writing or spending time with his family, Steven tries to squeeze in some mountain climbing. In addition to writing for several websites and journals, Steven has published multiple novels.

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