Flat Reef
Philippines / Sumilon Island
Flat Reef is a reef diving and wall diving dive site lead in Sumilon Island, Philippines. The reference depth is 18-24 m, entry is usually by boat dive, and the planning level is AOW recommended. The source card points to a profile suited to reef diving and wall diving, so WhereDive treats it as a planning lead rather than a fully surveyed site record. Confirm tide, visibility, and guide briefing before adding it to an itinerary.
Recommended level
AOW
Recommended dives
25+
Max depth
24 m
Average depth
21 m
Current
Medium
Visibility
10-25 m
Water temperature
27-30°C
Best months
Jan, Feb, Mar, Apr, May, Dec
Best for
Highlights
- • Sumilon Island dive-site lead for reef diving and wall diving
- • Reference depth: 18-24 m
- • Entry: boat dive
- • Recommended months: Jan, Feb, Mar, Apr, May, Dec
- • Likely highlights: coral gardens
What this page helps you answer
If you are comparing Flat Reef by depth, current, visibility, diver level, and itinerary fit, this page gives a faster planning summary than a simple site name list.
Marine life
Dive types
Safety notes
- • Plan conservatively around the 18-24 m reference depth and stay within certification limits.
- • Treat current as medium, but follow tide, captain, and guide briefings on the day.
- • boat dive requires confirming entry, exit, and backup procedures before the dive.
- • This record is reference-derived; verify depth, visibility, and suitability with a local operator before diving.
- • Entry type: Boat.
- • Adjust depth and route based on local guide judgment.
Map and coordinates
Flat Reef
9.426, 123.371
Continue with related pages
Nearby dive sites
Marine Sanctuary
Philippines / Sumilon Island
- Max depth
- 18 m
- Best months
- Jan, Feb, Mar, Apr, May, Dec
- • Sumilon Island dive-site lead for reef diving
- • Reference depth: 6-18 m
Sumilon Manit
Philippines / Sumilon Island
- Max depth
- 30 m
- Best months
- Jan, Feb, Mar, Apr, May, Dec
- • Sumilon Island dive-site lead for drift diving and reef diving and wall diving and macro diving
- • Reference depth: 30 m
Sumilon the Wall
Philippines / Sumilon Island
- Max depth
- 35 m
- Best months
- Jan, Feb, Mar, Apr, May, Dec
- • Sumilon Island dive-site lead for drift diving and reef diving and wall diving
- • Reference depth: 28-35 m
FAQ
Is this dive site suitable for OW divers? +
Flat Reef is better for AOW or more experienced divers. OW divers should choose carefully.
What are the best months to dive here? +
The recommended months for Flat Reef are Jan, Feb, Mar, Apr, May, Dec. Confirm current local conditions before booking.
Is the current strong here? +
The current rating is Medium. Tide and operator judgment should guide the final decision.
What marine life can be seen? +
Common highlights include coral.