Dive into the dramatic lava tubes and vibrant reefs of west Oahu with Dolphin Divers. Encounter green sea turtles and underwater caverns on this guided Two Tank scuba adventure suitable for all skill levels.
More ways to explore the area's outdoor wonders
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Difficulty
easy
Duration
3–4 hours
Fitness Level
Basic swimming ability recommended; suitable for beginners in good health.
Wildlife
History
Makaha Caverns formed from historic volcanic activity unique to the west Oahu coast, offering habitat for endemic Hawaiian species.
Conservation
Dolphin Divers emphasizes minimal impact diving practices, supporting coral reef health and sea turtle protection through education and guided tours.
Dolphin Divers
Dive into the dramatic lava tubes and vibrant reefs of west Oahu with Dolphin Divers. Encounter green sea turtles and underwater caverns on this guided Two Tank scuba adventure suitable for all skill levels.
Dolphin Divers is a dive operator based in Waianae, Hawaii, specializing in guided scuba and snorkel charters along west Oahu.
The operation offers multiple curated trips: a three-tank West Side Dive Charter visiting the wreck of the Mahi and exploring deep reefs and lava tubes; a Two Tank Wreck and Lava Tube Dive departing from Waianae Boat Harbor with a premium 6:1 diver-to-guide ratio and included equipment and Ko Olina transport; Private Snorkel or Dive Charters for half-day customized excursions including turtle and dolphin viewing, scuba, whale watching, and sunset cruises; Two Tank Night Dives on Fridays and Saturdays featuring sunset rides, reef exploration, and an evening fireworks display; and guided dives to Makaha Caverns and lava tubes suitable for beginners and experienced divers.
Trips are led by guides who prioritize safety and comfort. Several offerings specifically include top-quality equipment and transportation where noted. The three-tank charter emphasizes expert dive-site decisions based on daily conditions and offers the luxury of solitude as the only dive boat on the island's west side. Trips often feature green turtle sightings, and private charters provide flexible options for focused wildlife encounters. Dolphin Divers serves visitors staying on Oahu’s western shore seeking small-group guided exploration of west Oahu’s unique underwater landscapes.
Location
Waianae, HI
Operating from west Oahu harbors
Guide Ratio
6:1
Premium small groups for safety
West Side Access
Only boat on west side
Exclusive local dive access
Trips Offered
5 Trips
Wrecks, lava tubes, night dives
Book a Dolphin Divers trip from Waianae — guided dives, private charters, equipment, and transport options available.
Arrive Well Rested and Hydrated
Being well-hydrated and rested before your dive helps reduce the risk of decompression sickness and improves overall comfort underwater.
Listen Closely to Dive Briefings
Pay attention to your guide’s instructions on navigating lava tubes safely to avoid any disorientation or accidental contact with fragile formations.
Bring a Dive Log or Certification Card
If you’re certified, carrying your certification and logbook streamlines the check-in and equipment fitting process.
Protect Marine Life
Maintain neutral buoyancy to prevent stirring up sediment or touching the sea turtles, ensuring minimal impact on the underwater environment.
Wetsuit (3mm or lighter)
Keeps you comfortable and protected in the warm but occasionally cool ocean waters of Oahu.
summer
Dive Computer
Monitors depth and time underwater to ensure safe dives—provided by Dolphin Divers but useful to bring your own if available.
Reef-Safe Sunscreen
Protects your skin without harming the coral and marine life around Makaha Caverns.
summer
Underwater Camera or GoPro
Allows you to capture photos and videos of lava tubes and sea turtles during your dives.