Sunken Island
Protected Area
San Juan Siquijor
Why dive here
With 496+ marine species recorded in the area - including barracuda, blacktip reef sharks, blue-spotted stingrays, bull sharks and octopuses - Sunken Island offers some of Dumaguete's richest wreck diving. Water ranges 28-30°C, warmest June, July, October.
Sunken Island, just off Dumaguete, is a decent outing for those who like a good wreck. It’s less a single vessel and more a jumble of concrete blocks and scattered debris, but don’t let that put you off. Over the years, this artificial reef has really come into its own, drawing in a surprising number of critters. We’ve seen everything from schooling snapper to feathery crinoids clinging to the rebar. It’s a site that rewards a slow poke, poking around the nooks and crannies to see what’s hiding. It’s generally a pretty calm dive, good for most experience levels looking for something a bit different from the usual reef hop.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Nearest Dive Centres to Sunken Island
Dive shops near Sunken Island
VOODOO DIVING CENTER
Dive Point Siquijor
Vibrations dive center
Coco Grove Dive Center
Sea Explorers Siquijor
BLUE DREAM DIVE, KITE & WING RESORT MANAGEMENT
Reviews for Sunken Island
Conditions
Ocean conditions, forecast and tides for Sunken Island
Sunken Island Ocean Conditions
Monthly averages for Sunken Island, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (9.23, 123.47) (3km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29–31.3°C
Air Temperature
27°C
81°F
Wind Speed
4.36 m/s
8.5 knots
Atmospheric Pressure
1009.6 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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