Depth
Up to 10 m
Sao Miguel · shallow hydrothermal reef
Fontes Hidrotermais dive guide.
A shallow route where volcanic fumaroles release streams of bubbles through the seabed.
Level
Open Water with local guide
Access
Shallow boat dive about twenty minutes from Vila Franca do Campo; confirm the active vent route and environmental restrictions with the operator.
Best season
Most regular in summer and early autumn; shallow access remains dependent on swell, visibility and current vent conditions.
Safety
Do not touch vents, bubbles or substrate. Follow the guide’s stand-off distance, buoyancy and environmental-protection briefing.
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 — Fontes HidrotermaisEspírito Azul — São Miguel dives
Local operators
Contact dive teams in Sao Miguel.
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