3-Tank West Oahu Dive Charter: Wrecks, Sea Caves and Lava Tubes from Waianae

QUICK ANSWER
3-Tank West Oahu Dive Charter: a three-tank boat dive from Waianae Small Boat Harbor on Oahu’s west side, usually starting with a wreck such as the Mahi, then a deep reef or cave, and finishing on a shallow lava tube reef.
Price: from $289 per certified diver; confirm the live rate on the booking calendar.
Duration: Most of a morning; three dives.
Island: Oahu
Best for: Certified divers who want wrecks and lava tubes
Booking: instant confirmation.

WHAT ARE THE BEST WEST OAHU DIVE SITES?
The west side is known for the Mahi wreck, the landing craft wrecks, Black Rock sea cave and lava tube reefs where green sea turtles rest. As the only dive boat on this coast, this charter can pick the best site for the day.

HOW THE TOUR RUNS
Meet the boat “South Seas II” at the far left of Waianae Small Boat Harbor (85-491 Farrington Hwy) near the boat ramps, 15 minutes early. The guide chooses the sites for conditions: a wreck first, then a deep reef, cave or another wreck, then a shallow lava tube reef.

PRICING
From $289 per certified diver. Prices updated October 2026; confirm the live rate on the booking calendar above. Guided boat dives with this operator start at $219.

WHAT’S INCLUDED
– Three guided boat dives
– Dive guide
– Site selection for conditions

KNOW BEFORE YOU GO
– Certified divers only
– Departs Waianae Small Boat Harbor
– Arrive 15 minutes early
– Sites depend on conditions
– Cancellation: More than 14 days out: refund less a $40 booking fee; inside 14 days: booking credit.

WHO IT’S FOR
Certified divers who want more than a standard two-tank trip, with wrecks and lava tubes off a quiet coast.

BROWSE MORE
See more Oahu adventure tours, alongside the wider Oahu collection. Planning ahead? Read scuba diving in Hawaii by island. Planning ahead? Read what to book from Ko Olina.