Maximize your yacht's visibility with the GEN4 – 18 Series Underwater Thru-Hull Light, offering exceptional brightness and internal serviceability.

Elevate your yacht's underwater lighting with the GEN4 – 18 Series, a pinnacle of innovation designed specifically for large vessels and superyachts. This series is a standout in the Aqualuma line, delivering a powerful light output from its sophisticated, one-piece polymer housing. Not only does it offer top-tier illumination, but it also provides the convenience of being serviceable from inside the vessel, eliminating the need for costly and time-consuming haul-outs.

The 18 Series ultra light fits perfectly within the 12 Series housing, making it an easy upgrade for existing Aqualuma 6 and 12 Series owners seeking enhanced brightness without exterior modifications. This makes the 18 Series not only a powerful lighting solution but also an accessible upgrade, maintaining Aqualuma’s commitment to quality, innovation, and value.


  • Designed for maximum light output, ideal for superyachts
  • Utilizes a patented, one-piece polymer housing for durability
  • Fully serviceable and upgradable without haul out
  • Compatible with existing 12 Series housing for easy transition
  • Comes with a 10-year housing warranty and a 3-year internal components warranty


Specifications 6 SERIES 12 SERIES 18 SERIES 18 TRI SERIES
Boat Size
Up to 45ft (13m) Up to 60ft (18m) Up to 100ft (30m) Up to 100ft (30m)
Transom Spacing
1-2m 1-2m 1-2m 1-2m
Recommended Transom Quantity 3-5 4-6 6-8 6-8
Installation Depth
200-250mm 200-250mm 200-250mm 200-250mm
@ 12 / 24V DC
12V DC 1A
24V DC 0.5A
12V DC 2A
24V DC 1A
12V DC 2.6A
24V DC 1.3A
12V DC 1.3-2.6A
24V DC 0.65-1.3A
Fixture Lumens (Blue) Up to 4,900lm Up to 9,990lm Up to 14,100lm Up to 7,050lm
Fixture Lumens (White) Up to 1,725lm Up to 3,608lm Up to 4,920lm Up to 2,475lm
Fixture Lumens (White)       Up to 9,525lm
Available Colours Blue or White Blue or White Blue or White Blue/White
Compliance RINA
Warranty 10 YR Housing | 3 YR Internals
Barcode # AQL18WG4
Brand Aqualuma
Shipping Weight 0.5000kg

Comes with a 10-year housing warranty and a 3-year internal components warranty

Be The First To Review This Product!

Help other Electrifying Marine Solutions Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review