

Best for beginner divers, 5-40m, boat entry, mild current.
Volcano Bubbles is a volcanic reef in Kos, Greece, defined by active underwater vents that emit gases and warm water. This geological activity creates localized temperature variations across the site. The reef is accessible by boat and offers depths ranging from 5 to 40 metres with mild currents and visibility reaching up to 40 metres. It is suitable for beginners, though divers should be aware of hazards including depth, potential entanglement, strong currents, and the presence of lionfish. Species recorded around this area include Turkish Wrasse, European Parrotfish, White Seabream, Goatfish, Rabbitfish, Eleven-armed Sea Star, Fireworm, crabs, bream, Brittle Star, Madeira Rockfish, Wide Eyed Flounder, Painted Comber, and various snails.
36.65713, 27.13906
Barracuda schools are most frequently observed from September to December.
Located at Haritos hotel in Mandraki town, a few metres from the port towards Pali village.
Recorded at this site
Depth
5-40m
Visibility
Up to 40m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
17-21°C
Current
Mild
Best Time
Sep, Oct, Nov, Dec
Species recorded around this area include Turkish Wrasse, European Parrotfish, White Seabream, Goatfish, Rabbitfish, Eleven-armed Sea Star, Fireworm, crabs, bream, Brittle Star, Madeira Rockfish, Wide Eyed Flounder, Painted Comber, and snails.
Yes, the site is suitable for beginners, though divers must remain aware of hazards such as depth, entanglement, strong currents, and lionfish.
The depth at Volcano Bubbles ranges from 5 to 40 metres.
This is a boat dive; a boat is required to access the site.
Yes, night diving is permitted at this site.
Diving at Volcano bubbles in Mandraki requires the following certifications: Open Water. Always dive within your training limits.
Yes, equipment rental is available at or near Volcano bubbles in Mandraki. Contact local dive operators for specific gear availability and prices.
A 7mm wetsuit or semi-dry is recommended for diving at Volcano bubbles in Mandraki. Water temperatures range from 17°C to 21°C.
The best months to visit Volcano bubbles in Mandraki are September, October, November, and December. Conditions outside these months can still be good but are less predictable.
Divers at Volcano bubbles in Mandraki should be aware of lionfish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Volcano bubbles in Mandraki typically has mild currents that most divers can handle comfortably.
Visibility at Volcano bubbles in Mandraki can reach up to 40 metres. Conditions vary with weather, tides, and seasons.