West Oahu Two-Tank Lava Tube & Reef Dive, Intro Divers Welcome

QUICK ANSWER
West Oahu Two-Tank Lava Tube & Reef Dive, Intro Divers Welcome: two shallow guided boat dives off west Oahu, usually including the Makaha Caverns lava tubes, with all gear and Ko Olina hotel pickup included.
Price: from $229 per diver; confirm the live rate on the booking calendar.
Duration: Half day; two dives.
Island: Oahu
Best for: Rusty divers and first-timers who want an easy, scenic dive
Booking: instant confirmation.

WHAT ARE MAKAHA CAVERNS?
Makaha Caverns is a west Oahu site with fully formed underwater lava tubes. Turtles often nap at the entrances, and because you can see the exit from the entrance, divers can swim through.

HOW THE TOUR RUNS
The boat South Seas II leaves Waianae Small Boat Harbor (85-491 Farrington Hwy); arrive 15 minutes early, or use the included transport from Ko Olina hotels. Dives are guided at no more than six divers per guide, and first-time divers dive with an instructor at a 2:1 ratio.

PRICING
From $229 per 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
– Two guided boat dives
– All equipment, including dive computers
– Refreshments
– Transport from Ko Olina hotels

KNOW BEFORE YOU GO
– Dives to about 40 feet
– First-time divers from age 12, max 2 per instructor
– Non-diving friends can ride along
– 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 have not dived for a while, and first-timers aged 12 and up who want an easy, scenic introduction.

BROWSE MORE
See more Oahu adventure tours, alongside the wider Oahu collection. Planning ahead? Read scuba diving in Hawaii by island. Planning ahead? Read where to swim with sea turtles.