Depth
5-20 m
Sao Miguel · volcanic reef and daylight caverns
Arcos da Caloura dive guide.
Four volcanic cave entrances around 16 m create arches and guided daylight routes on the Caloura coast.
Level
Open Water with local guide
Access
Boat dive roughly fifteen minutes from Vila Franca do Campo; confirm which of the four entrances and open-water route the operator will use.
Best season
Most regular in summer and early autumn; route availability depends on swell, visibility and the operator’s cavern assessment.
Safety
Treat every arch or cave as overhead. Recreational divers should remain on the guided daylight route with a visible exit and skip penetration beyond training.
Hours
No fixed public hours. Boat departures, protected-area access and shore entries depend on operators, permits and sea state.
Conditions
Sao Miguel marine forecast.
Wave
0.9 m9 sSwell
0.8 m6 sWind
2 kn153 degSea temp
21.4 CsurfaceAdditional information
Local pages and official references.
Visit Azores — Arcos da CalouraEspírito Azul — São Miguel dives
Local operators
Contact dive teams in Sao Miguel.
Looking for availability?