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Coliseum reef structure, species list, and depth/time guidance.
Dive Spot Guide•
Coliseum / Hospital
Coliseum / Hospital is a deep Tofo boat dive with big-life action.
Use a Tofo boat operator, expect short bottom time, and plan nitrox if you want longer on the reef top and walls.
About Coliseum / Hospital
Coliseum / Hospital is a boat dive off Tofo with a deep reef top, ledges, overhangs, and a lot of reef life. The site mixes schooling fish and cleaning stations with bigger animals, so the dive feels like a search for structure and megafauna rather than a casual drift. Bottom time is short, so it works best as a guided deep reef dive with nitrox if you want more room to explore. Calm days and good visibility make the swim-throughs, walls, and cleaning stations much easier to enjoy.
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Research Estimate At Coliseum / Hospital
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 15m
AccessChallenging entry effort
CoralHealthy coral
Aquatic LifeExceptional variety
FacilitiesGood facilities
CurrentModerate current
Where Is Coliseum / Hospital?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Coliseum / Hospital Planning Details
Depth range, seasonality, and planning context.
Reported Depth
21m - 32m
Depth Note
Depth range given for the top of the reef (21–32 m).
Best Season
Year-round, with October to March best for whale sharks and November to April for manta action.
Typical Conditions
Deep offshore reef with ledges, overhangs, and variable visibility; current can be present on some days.
Safety & Access At Coliseum / Hospital
Site conditions, restrictions, and access requirements.
Site Conditions
Dangerous wildlifeStrong current
Safety Notes
Bring nitrox if available, respect no-decompression limits, and stay close to your guide around the walls and swim-throughs.
Access Restrictions
This is an advanced boat dive with short bottom time; stay within your qualification and gas limits.
Legal Notes
Use a licensed local operator and follow the boat briefing; this is an offshore reef, not a self-led shore dive.
Local Intel For Coliseum / Hospital
Community notes to help plan your visit.
Scuba Diving
Boat dive with a deep reef top, walls, and short air time; nitrox helps extend the time you can spend on the structure.
Freediving
Not practical for freediving; the reef top is too deep and the dive is structured for scuba.
Snorkeling
Not a snorkel site; the reef sits too deep for casual surface viewing.
Wildlife at Coliseum / Hospital
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Coliseum / Hospital
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Coliseum / Hospital
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility15m
Activity
No dive activity logged yet.
