Scuba Diving Lanai’s Cathedrals with Maui Diamond Sea Sports
Difficulty
moderate
Duration
8 hours
Fitness Level
Good overall fitness and comfort in open water recommended, including swimming proficiency and handling variable ocean conditions.
Overview
Dive into Lanai’s volcanic lava tubes with Maui Diamond Sea Sports. Discover the Cathedrals’ breathtaking swim-throughs, vibrant marine life, and chances to spot dolphins on this full-day underwater adventure.
Adventure Tips
Complete Your Diver Medical Form
Make sure to submit the required medical history form and obtain a physician’s release if needed well before the trip to avoid being unable to dive.
Arrive Early for Check-In
Check-in starts at 6:15 AM; timely arrival ensures the trip departs on schedule and maximizes your dive time around Lanai.
Prepare for Variable Dive Conditions
Dive sites may change based on weather and ocean currents—be flexible and ready to enjoy alternate spots if Lanai conditions aren’t optimal.
Bring Additional Snacks if Needed
While snacks and lunch are provided, feel free to bring extra food that fits in the under-bench dry storage onboard for energy between dives.
Local Insights
Wildlife
- Spinner dolphins
- Hawksbill turtles
History
Lanai's marine landscape was shaped by ancient lava flows that created the distinctive underwater lava tubes divers now navigate.
Conservation
Maui Diamond Sea Sports actively promotes reef-safe practices and enforces guidelines to minimize diver impact on fragile coral and marine life.
Frequently Asked Questions
Recommended Gear
Wetsuit (3-5mm)
Protects against cooler ocean temperatures and abrasion inside lava tubes.
Underwater flashlight
Enhances visibility inside shadowed swim-throughs and caves.
Surface marker buoy (SMB)
Important for signaling your position during open water dives around the island.
Reef-safe sunscreen
Protects your skin without harming delicate coral ecosystems when topside.
summer specific