Cavern
down to 40 m
Dofí Sud
A dolphin statue at 12 m marks a 70 m tunnel through the island, shared with groupers, conger eels and lobsters, exiting in daylight at 5 m.
- Advanced
- Nudibranchs
Medes Islands (Costa Brava)
Diving in Spain
12 documented dive sites. Known for eagle rays, rays and barracuda.
- Best months
- May–Sep
- Water
- 18–25 °C
- Levels
- Advanced, Experienced
When to go
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
- Best
- Good
- Possible
- Closed
- Not documented yet
Medes Islands (Costa Brava) in October
Good season- Air
- 22 °C
- 16 °C at night
- Rain
- 50 mm
- average for the year
- Wind
- 13 km/h
- on average
Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.
Best May–Oct, with Sep the sweet spot; water cools fast in Oct (thermocline down to 14 °C).
Dive sites in Medes Islands (Costa Brava)
From the easiest to the most demanding. Levels with a dashed outline are estimates we are still verifying.
Winter diving is possible for experienced divers with thicker thermal protection.
For Advanced divers
usual dive down to 30 m10 sitesCavern
down to 18 m
Dofí Nord
An 18 m bottom with groupers, scorpionfish and dentex, and the option to cross a 5 m cavity through to the Dofí Sud side.
- Advanced
- Scorpionfish
Cavern
down to 30 m
La Vaca
- Advanced
- Groupers
Wall
down to 40 m
Tascó Gros
- Advanced
- Rays
Reef
down to 23 m
Cova de la Reina
- Advanced
- Nudibranchs
Wall
down to 20 m
Sant Istiu
- Advanced
- Nudibranchs
down to 30 m
Cala Calella
- Advanced
For experienced divers
usual dive down to 40 m2 sitesMarine life
When the big encounters happen, month by month.
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Eagle raysSource: duikersgids.nl |
- Peak season
- Seen
Eagle rays: Jun–Sep
Also reported here, season not documented yet:
- Rays
- Barracuda
- Crustaceans
- Cuttlefish
- Nudibranchs
- Octopus
- Scorpionfish
- Conger eel
- Groupers
- Moray eels
- Corals
- Dolphins
- Mola mola (sunfish)
- Tuna
- Seahorses
Where is Medes Islands (Costa Brava)?
Medes Islands (Costa Brava): frequently asked questions
- When is the best time to dive Medes Islands (Costa Brava)?
- The best months to dive Medes Islands (Costa Brava) are May–Sep. Best May–Oct, with Sep the sweet spot; water cools fast in Oct (thermocline down to 14 °C).
- Is Medes Islands (Costa Brava) good for beginner divers?
- Not really: none of the 12 dive sites we document is rated for Open Water divers. Plan an Advanced certification and some experience first.
- What is the water temperature in Medes Islands (Costa Brava)?
- The water is usually between 18 °C and 25 °C over the year.
- What marine life can you see in Medes Islands (Costa Brava)?
- Divers regularly see eagle rays (Jun–Sep), rays, barracuda, crustaceans, cuttlefish and nudibranchs.
About this page
Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.
Your next dive is somewhere out there.
Find my next dive tripPhoto credits
- Sunlight and bubbles in deep blue water, Sarah Lee, Unsplash License, on Unsplash