30m tunnel at 5m; seagrass, boulders, and sand; juvenile fish, nudibranchs, and groupers; sheltered lagoon profile.
Crystal Lagoon: sheltered Comino lagoon with a tunnel.
Crystal Lagoon: sheltered Comino lagoon with a tunnel.
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Crystal Lagoon is a sheltered Comino lagoon with sandy shallows, seagrass, and a long tunnel feature that makes it a strong beginner-friendly snorkel and scuba spot. Its main draw is calm water, easy light, and plenty of small marine life in a compact area.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
2m - 22m
Depth Note
The lagoon is very shallow in places, while the tunnel and outer sections reach about 22m at the deeper end of the site.
Best Season
Late spring through early autumn, especially May to September, when the water is warmer and the lagoon is most pleasant.
Typical Conditions
Calm sheltered water, sandy patches, seagrass, bright turquoise visibility, and a shallow tunnel feature.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Use disciplined buoyancy in the tunnel and keep clear of boat movement in the lagoon.
Access Restrictions
The tunnel and any overhead sections need disciplined buoyancy; keep an eye on boat movement in the lagoon.
Legal Notes
Follow local marine, anchoring, and access rules in the lagoon area.
Community notes to help plan your visit.
Scuba Diving
A shallow scenic dive with a 30m tunnel, easy buoyancy work, and plenty of time for fish spotting.
Freediving
A good shallow freedive spot when the lagoon is calm and traffic is light.
Snorkeling
Excellent for snorkeling in clear, sheltered water around the lagoon and tunnel mouth.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
30m tunnel at 5m; seagrass, boulders, and sand; juvenile fish, nudibranchs, and groupers; sheltered lagoon profile.
Crystal Lagoon is calm and serene; best dived from May until late September; the lagoon is the boat mooring point for nearby cave dives.
Snorkel, free dive, or scuba can be done directly on the site; direct land access is very limited.
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