Beginner
Reef · Wall · Cave · Swim-through · Pinnacle
Gato Island Tunnel
Visayas
Difficulty
Information under review
Contrary evidence
Novice
Divebooker.com describes the 'diver level' for Gato Island - The Cave as 'Novice' and for Gato Island generally as 'Novice' for The Guardhouse reef, with other sites for experienced divers.
Divebooker.com · 2026-09-16T05:43:00.944Z
novice
Divebooker.com describes the 'diver level' for Gato Island - The Cave as 'Advanced'. Other sources indicate Gato Island Tunnel is generally recommended for intermediate to advanced divers due to the overhead environment and potential for currents.
Divebooker.com · 2026-09-16T05:45:44.006Z
Difficulty level
Depth
16 ft
Reported by one source · Bluewater Dive Travel
Information under review
One source says both things. It reports this value and also contradicts it.
Contrary evidence
30m+
DiveJourney states the reef profile runs down to 30m+, and Scubago indicates depths up to 65 meters.
DiveJourney · 2026-09-16T05:43:00.944Z
Same source as the recorded value
25
DiveJourney indicates a depth range of 15m - 30m+, with the tunnel and reef profile running down to 30m+. Scuba Diving states the average depth is 21m and mentions a bottom/water temp range of 25-29°C. Other sources state the Gato Island Tunnel has walls extending to a maximum depth of 25 meters, while the tunnel itself is at 5 meters depth and another source indicates a 22-meter deep tunnel.
DiveJourney · 2026-09-16T05:45:44.006Z
Same source as the recorded value
Depth range
Access
Boat
Documented months
Jan
Information under review
Contrary evidence
June
Divernet states that diving is possible year-round, with the flattest seas and best visibility occurring from March until June.
Divernet · 2026-09-16T05:43:00.944Z
Visibility
33 ft
98 ft
Typical visibility
Current
Variable
Good buoyancy control advised
Temperature
79°F
86°F
Water temperature
Not yet documented
Know this? Tell usNot yet documented
Know this dive site? Suggest a correctionCurrent Conditions
Typical current strength at this dive site
Variable
Current strength changes with tides and conditions. Check local conditions before diving.
Strength Scale
None
Mild
Moderate
Strong
Hazards & Safety
Be aware of these potential hazards at this dive site
Current
MediumCurrents can be deceptive in the tunnel and vary around the island.
Overhead environment
MediumThe tunnel is an overhead environment requiring comfort and a conservative profile.
Dangerous marine life
LowSea snakes are venomous but generally non-aggressive towards divers.
Sources
- 3 Gato Island dive sites + MAP & reviews. Scuba Diving
- Bluewater Dive Travel
- Divebooker.com
- DiveBuddy.com
- DiveJourney
- Liveaboard.com
- OceanVibration
- PADI
- Scubago
- The Midnight Blue Elephant
- Thresher Shark Divers
- Wikipedia
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Depth Profile
16 ft
Reported by one source · Bluewater Dive Travel
Information under review
One source says both things. It reports this value and also contradicts it.
Contrary evidence
30m+
DiveJourney states the reef profile runs down to 30m+, and Scubago indicates depths up to 65 meters.
DiveJourney · 2026-09-16T05:43:00.944Z
Same source as the recorded value
25
DiveJourney indicates a depth range of 15m - 30m+, with the tunnel and reef profile running down to 30m+. Scuba Diving states the average depth is 21m and mentions a bottom/water temp range of 25-29°C. Other sources state the Gato Island Tunnel has walls extending to a maximum depth of 25 meters, while the tunnel itself is at 5 meters depth and another source indicates a 22-meter deep tunnel.
DiveJourney · 2026-09-16T05:45:44.006Z
Same source as the recorded value
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