

Best for advanced divers, 12-60m, boat entry, strong current.
Banco D. João de Castro is a submerged volcanic seamount located between Terceira and Graciosa. This remote site features a diverse topography of reef, wall, and drift terrain, with depths ranging from 12 to 60 metres. Divers experience consistent visibility of 30 metres, though the location is subject to strong, unpredictable currents and potential surge. Due to the exposed nature of this open Atlantic site, it is strictly accessible by boat and requires advanced certification. Divers must maintain buoyancy control and monitor conditions closely, as there is no shore support available. The site is best suited for experienced divers comfortable with deep water and drift diving.
38.22000, -26.60112
The site features hydrothermal vents visible as bubbles released from the seafloor.
Access is by boat only, located approximately 37 nautical miles from Terceira Island.
Recorded at this site
Depth
12-60m
Visibility
30m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
17-19°C
Current
Strong
Best Time
Jul, Aug, Sep
No nearby dive sites found within 50km.
No, this site is for advanced divers only due to the depth, strong currents, and remote location.
The depth ranges from 12 to 60 metres, with an average depth of 18 metres.
This is a boat-only dive site located approximately 64 kilometres from shore.
Visibility is consistently 30 metres, while water temperatures range between 17C and 19C throughout the year. Divers should expect strong currents that can shift direction without warning.
The main hazards include deep water, strong currents, and potential surge or swell. Divers should also be aware of the risk of entanglement within the kelp forest.
Diving at Banco D. João de Castro in Praia da Vitória requires the following certifications: Advanced. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Banco D. João de Castro in Praia da Vitória. Water temperatures range from 17°C to 19°C.
The best months to visit Banco D. João de Castro in Praia da Vitória are July, August, and September. Conditions outside these months can still be good but are less predictable.