Dive-site story
Monolith is a dramatic offshore volcanic site located off the southern coast of Lanai. The dive centers around a massive submerged basalt formation that shoots upward from the surrounding sandy basin. Divers navigate around sculpted lava shelves, arches, and steep drop-offs while taking in excellent blue-water visibility.
Massive volcanic pinnacle structure rising from a sandy seafloor
Lava ridges, overhangs, and undercuts sheltering resting marine life
Frequent encounters with green sea turtles and whitetip reef sharks
Vast sand flats along the base hosting extensive colonies of Hawaiian garden eels
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Summer and autumn generally offer calmer surface conditions across the Auau and Kealaikahiki channels.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Green sea turtleChelonia mydas | Common | ||||||||||||
| Whitetip reef sharkTriaenodon obesus | Common | ||||||||||||
| Hawaiian garden eelGorgasia hawaiiensis | Common | ||||||||||||
| Milletseed butterflyfishChaetodon militaris | Common | ||||||||||||
| Spotted eagle rayAetobatus ocellatus | Seasonal |
Marine forecast
