Sea Fan Grottos
Protected Area
Blue Cavern (Catalina Island) Onshore State Marine Conservation Area
Why dive here
Sea Fan Grottos is a cave dive in California, United States. Water ranges 14-21°C, warmest July, August, September.
Sea Fan Grottos offers a series of small, shallow caves and overhangs, making it a good spot for newer divers looking to explore overhead environments. Keep an eye out for gorgonian sea fans clinging to the rock walls, and you might spot a few nudibranchs tucked into crevices. It's a calmer dive, suitable for a relaxed afternoon.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
Nearest Dive Centres to Sea Fan Grottos
Dive shops near Sea Fan Grottos
Catalina Scuba
Kelp Forest
Catalina Divers Supply & Snorkeling
Ron Moore's Dive Catalina
Pacific Wilderness, Inc.
Dive N' Surf
Reviews for Sea Fan Grottos
Conditions
Ocean conditions, forecast and tides for Sea Fan Grottos
Sea Fan Grottos Ocean Conditions
Monthly averages for Sea Fan Grottos, sourced from NOAA NDBC buoy data - nearest station: Topanga Nearshore, CA (103) (221km away)
October Averages
Sea Temperature
19°C
66°F · Range: 14–23.7°C
Air Temperature
18°C
65°F
Wave Height
0.6m
13.8s period
Based on 4 years of monitoring data · Data sources: NOAA NDBC buoy data
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