Marine Underwater Lights

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Led Lamp White W/Proof Led Lamp White W/Proof SAW-53980

$15.95

Led Lamp Blue W/Proof Led Lamp Blue W/Proof SAW-53984

$15.95

Led Multi Purpose Step Courtesy Led Multi Purpose Step Courtesy SAW-709688

$23.35

Led Multi Purpose Step/Courtesy Led Multi Purpose Step/Courtesy SAW-709692

$23.35

free shipping*
OceanLED Light U/Water Sport Ultra White 9-32V OceanLED Light U/Water Sport Ultra White 9-32V BLA-125231

$978.73 $1,009.00

$30.27 off RRP of $1,009.00
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OceanLED Light U/Water Sport Mid Blue 9-32V OceanLED Light U/Water Sport Mid Blue 9-32V BLA-125233

$978.73 $1,009.00

$30.27 off RRP of $1,009.00
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OceanLED Sport S3124S Dual White/Blue OceanLED Sport S3124S Dual White/Blue BLA-125235

$1,221.23 $1,259.00

$37.77 off RRP of $1,259.00
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OceanLED Light U'Water Sport S3166S Multi Colour OceanLED Light U'Water Sport S3166S Multi Colour BLA-125239

$1,463.73 $1,509.00

$45.27 off RRP of $1,509.00
Light U/Water X4 Ultra White Light U/Water X4 Ultra White BLA-125330

$446.41 $469.90

$23.49 off RRP of $469.90
BLA Light U/Water X4 Midnight Blue BLA Light U/Water X4 Midnight Blue BLA-125331

$446.41 $469.90

$23.49 off RRP of $469.90
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OceanLED Light U/Water X8 Ultra White OceanLED Light U/Water X8 Ultra White BLA-125332

$711.55 $749.00

$37.45 off RRP of $749.00
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BLA Light U/Water X8 Midnight Blue BLA Light U/Water X8 Midnight Blue BLA-125333

$711.55 $749.00

$37.45 off RRP of $749.00
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BLA Light U/Water X8 Colours BLA Light U/Water X8 Colours BLA-125334

$806.55 $849.00

$42.45 off RRP of $849.00
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OceanLED Light U/Water X16 Ultra White OceanLED Light U/Water X16 Ultra White BLA-125335

$978.73 $1,009.00

$30.27 off RRP of $1,009.00
free shipping*
BLA Light U/Water X16 Midnight Blue BLA Light U/Water X16 Midnight Blue BLA-125336

$978.73 $1,009.00

$30.27 off RRP of $1,009.00
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BLA Light U/Water X16 Colours BLA Light U/Water X16 Colours BLA-125337

$1,085.43 $1,119.00

$33.57 off RRP of $1,119.00
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BLA Docklight Sport White S3116D BLA Docklight Sport White S3116D BLA-125353

$1,395.83 $1,439.00

$43.17 off RRP of $1,439.00
RWB U/Water Light LED WHITE RWB U/Water Light LED WHITE RWB7800

$49.95 $54.00

$4.05 off RRP of $54.00
RWB U/Water Light LED BLUE RWB U/Water Light LED BLUE RWB7801

$49.95 $54.00

$4.05 off RRP of $54.00
RWB U/W Light 3x3W LED WHITE RWB U/W Light 3x3W LED WHITE RWB7806

$113.78 $123.00

$9.22 off RRP of $123.00
RWB U/W Light 3x3W LED BLUE RWB U/W Light 3x3W LED BLUE RWB7807

$113.78 $123.00

$9.22 off RRP of $123.00
RWB Underwater Light 6x3W LED White RWB Underwater Light 6x3W LED White RWB7809

$169.28 $183.00

$13.72 off RRP of $183.00
RWB Underwater Light 6x3W LED Blue RWB Underwater Light 6x3W LED Blue RWB7810

$169.28 $183.00

$13.72 off RRP of $183.00
RWB U/W Light LED 10x3W WHITE RWB U/W Light LED 10x3W WHITE RWB7812

$195.18 $211.00

$15.82 off RRP of $211.00
RWB U/W Light LED 10x3W BLUE RWB U/W Light LED 10x3W BLUE RWB7813

$195.18 $211.00

$15.82 off RRP of $211.00
RWB UW Light LED SS 10x3W WHT RWB UW Light LED SS 10x3W WHT RWB7815

$322.83 $349.00

$26.17 off RRP of $349.00
RWB UW Light LED SS 10x3W BLU RWB UW Light LED SS 10x3W BLU RWB7816

$322.83 $349.00

$26.17 off RRP of $349.00
RWB UW Light LED SS 10x3W GRN RWB UW Light LED SS 10x3W GRN RWB7817

$342.25 $370.00

$27.75 off RRP of $370.00
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Light U/W Lumitec Seablaze2 Bze Spectrum Light U/W Lumitec Seablaze2 Bze Spectrum BLA-123820

$1,648.03 $1,699.00

$50.97 off RRP of $1,699.00
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Light U/W Lumitec Seablaze2 Bze Blu/Whi Light U/W Lumitec Seablaze2 Bze Blu/Whi BLA-123822

$1,095.13 $1,129.00

$33.87 off RRP of $1,129.00
BlueFin LED Light Switch BlueFin LED Light Switch RWB6349

$148.93 $161.00

$12.07 off RRP of $161.00
U/W Light P3 AL Green 12v U/W Light P3 AL Green 12v RWB6302

$499.00

Marine Underwater Lights suit transoms, swim platforms and selected underwater mounting points where low-profile lighting is wanted below the waterline or around the stern. Choose lights by mounting style, voltage, lens shape, cable routing and the type of night-time use planned for the boat.

Choosing marine underwater lights

Marine underwater lights are usually selected for transoms, platforms and stern areas where a boat owner wants lighting below the waterline or near the water surface. Start by checking the mounting location, hull material, cable access and whether the product is designed for the intended installation position. The light shape, beam style and hardware should suit the available flat surface and the way the boat is used after dark.

Underwater lighting is part of the broader marine lighting setup, but it has different fitment considerations from cabin or deck lights. For lighting above the deck, compare deck and docking lights, cockpit lights and utility lights before choosing the final layout.

Fitment points to check

  • Check the voltage, cable route and switching location before installation.
  • Confirm the mounting surface has enough clearance behind it for wiring and fasteners.
  • Choose a light style that suits the stern shape, swim platform or transom area.
  • Review product instructions for drilling, sealing and service access requirements.

For new wiring runs, underwater lights may also need matching marine wire accessories and suitable circuit protection. Keep the installation practical by planning cable paths, switch locations and maintenance access before ordering the parts.

FAQs

Where are marine underwater lights usually fitted?

They are commonly fitted around transoms, stern platforms or other suitable underwater mounting points, depending on the product design and installation instructions.

What should I check before buying underwater lights?

Check voltage, mounting style, cable access, hull or transom surface, fastener requirements and whether the product suits the planned installation location.

Are underwater lights the same as deck lights?

No. Underwater lights are intended for below-water or stern lighting applications, while deck lights illuminate work areas, walkways and cockpit spaces above the deck.

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