The accredited diving centres and nautical clubs, spread throughout the Archipelago and offer a wide range of facilities in equipment hire and in the filling of the bottles. Terceira and São Miguel have the largest number of dive centers.
The three groups of the Azores Archipelago are equipped with 3 hyperbaric chambers, each one of them serving the islands of the respective group.
- There is a hyperbaric chamber on São Miguel Island in the Eastern Group, which also serves the island of Santa Maria.
- The Central Group features a hyperbaric chamber located on the island of Faial, which also serves the other four islands of that group.
- In turn, the island of Flores is equally equipped with a hyperbaric chamber which also serves the other island of the Eastern Group, Corvo.