Blue Hole and Inland Sea
Gozo · Malta
Limestone shaft on Gozo's western cliffs leading through an arch into open water at 18 m. Adjacent Inland Sea tunnel cuts through the cliff for 80 m of overhead environment. Both dives sit beside the now collapsed Azure Window site.
Conditions
Depth
8 to 30 m
Open water and up
Current
Usually gentle
Can pick up on the edge
Visibility
25 to 35 m
Clearest in the calm season
Water
14 to 27°C
Temperate wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 14 | 14 | 14 | 15 | 17 | 20 | 23 | 25 | 24 | 22 | 19 | 16 |
| Vis (m) | 20 | 20 | 20 | 20 | 20 | 25 | 25 | 25 | 25 | 25 | 20 | 20 |
| Current | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle | Gentle |
Your chances of seeing each animal
Filfola Lizard
Last confirmed Jun 28, 2026 · 310 records
Almost always
Nearly every dive
Chocolate-Band Snail
Last confirmed May 27, 2026 · 72 records
Almost always
Nearly every dive
Garden Snail
Last confirmed Jul 1, 2026 · 56 records
Almost always
Nearly every dive
Octopus
Last confirmed Oct 15, 2025 · 130 records
Almost always
Nearly every dive
Mediterranean moray
Last confirmed Jun 15, 2026 · 27 records
Likely
About 6 in 10 dives
Damselfish
Expected
Known here, not yet in recent logs
Gear