Dive-site story
Located along the limestone cliffs of the Capo Caccia and Isola Piana Marine Protected Area, this site features a steep submerged gorge that leads into a wide natural tunnel. Divers navigate through the fjord-like cut before passing through the cavernous passage, which opens to dramatic blue-water drop-offs and fissure-riddled reef walls. The karst geology creates a sheltered route where ambient light filters through overhead crevices, illuminating encrusting sponges and small colonies of red coral.
Wide swim-through tunnel with natural light filtering from overhead openings
Steep fjord-like rock walls covered in yellow cluster anemones and bryozoans
Shaded crevices providing shelter for lobsters and large Mediterranean groupers
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Summer and early autumn provide the warmest water temperatures and reliable boat access from Alghero and Porto Conte.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dusky GrouperEpinephelus marginatus | Common | ||||||||||||
| European Spiny LobsterPalinurus elephas | Common | ||||||||||||
| Mediterranean MorayMuraena helena | Common | ||||||||||||
| Mediterranean Red CoralCorallium rubrum | Common | ||||||||||||
| Purple FlabellinaFlabellina affinis | Common |
Marine forecast
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