First Cathedral
Protected Area
Offshore Island, Pu'upehe
Why dive here
First Cathedral is a reef dive where divers can encounter blue sharks, sea turtles and sperm whales. Water ranges 25-28°C, warmest August, September, October.
We’ve made the crossing from Maui to Lanai’s First Cathedral more times than we can count, and it never gets old. What makes it special isn’t just the cavern itself, though that’s certainly a draw, it’s the light. Sunlight streams through the cracks in the lava rock ceiling, illuminating the interior in a way that truly feels like stained glass. We love finding a perch inside and just watching the light shift and play, especially around midday for the best effect. Inside, look for the small “altar” rock formation and keep an eye out for slipper lobsters tucked into crevices. The outside walls of the cathedral are often patrolled by schools of yellow tang, and we’ve often spotted green sea turtles gliding by the entrance. It’s a pretty easy dive, maxing out at 20 meters, so it’s a good one for newer divers looking for a mellow cavern experience without strong currents. Just be aware it can get a bit busy with other charters, so try to go early if you can.
Nearest Dive Centres to First Cathedral
Dive shops near First Cathedral
Lanai Ocean Experiences
Snorkel Bob's Lahaina
Maui Diving Scuba Center
Living in the Flow Diving
Black Rock Scuba
Boss Frog's
Reviews for First Cathedral
Conditions
Ocean conditions, forecast and tides for First Cathedral
First Cathedral Ocean Conditions
Monthly averages for First Cathedral, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (20.73, -156.95) (9km away)
October Averages
Sea Temperature
27°C
81°F · Range: 26.7–28.4°C
Current Speed
11.31 cm/s
Direction: NW (315°)
Chlorophyll-a
0.035 mg/m³
Very clear (oligotrophic)
Salinity
35.58 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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