Kos & the Kefalos Peninsula · Greece · Reef
Bubble Beach
Volcanic activity of Kos showing itself on the seabed
Bubble Beach is a shallow reef off Kos where the volcanic activity of the island shows itself underwater as a natural phenomenon divers can watch up close. The dive stays within 10 m, so it suits beginners who want to see this side of the island’s geology.
Where it is and how deep
36.8290° N, 27.2513° EApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.
The dive
The volcanic activity under Kos is the reason for this dive, and the natural phenomenon it produces sits on the bottom at a maximum depth of 10 m. The whole dive stays shallow, with the time spent watching the seabed where the activity shows.
Marine life and season
The sources we used don't single out particular species here.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fair | Fair | Fair | Good | Good | Good | Good | Good | Good | Good | Fair | Fair |
Season follows Kos & the Kefalos Peninsula: The St. Stefanos base at Kefalos is open daily from 25 April to 5 November, and the sea is warmest in August, near 26 °C.
Sources
- Bubble Beach — ScubaGo
- Qualified Divers — Arian Diving Centre
More dive sites in Kos & the Kefalos Peninsula
Cave & cavern
Shallow caverns that keep the whole dive above 12 m
Pinnacle
A pinnacle rising to within 2 m of the surface
Cave & cavern
Schools of barracuda in the blue off a drop-off that falls to around 50 m
Reef
Amphora shards, some more than 800 years old, spread over the reef
Wreck
A loading crane that leads across the wreck to the bridge and propeller
Reef
Nudibranchs and Flabellina affinis grazing on the reef
Similar dives elsewhere
An easy beach entry at a small harbour north of Coral Bay
Two sea-carved amphitheatres joined over the top of a wall
Orange sponges, groupers and octopuses in a bay dived by day and night
A shore dive 30 m from the base, inside a buoy line