Garajau Marine Reserve
Depth is the range from the top of the site to its usual maximum; "recommended cert" is the mainstream-agency level operators usually ask for, not a legal rule. Currents and visibility change daily — treat everything here as planning ranges.
Protected since 1986, Garajau is the reason Madeira appears on European divers' maps. Its dusky groupers — animals that reach well over a meter — treat divers as furniture, drifting alongside groups and posing at cleaning stations in a way that fished coastlines never see. Around them, the volcanic slope works through its cast of morays, octopus, trumpetfish, bream and roaming barracuda, with stingrays gliding over the sand margins. Depth is whatever you choose on the slope, which keeps the reserve friendly to new divers without boring experienced ones.
The moment you come for: Fearless dusky groupers, volcanic slopes, reliable shelter on the south coast
Topography: Volcanic boulder slopes and rock fingers over sand, dropping steadily away from the cliffs
Entry: Most dives run by boat from Canico de Baixo; some shore entries exist off the reserve's beaches.
Know before you splash
Hazards: Mild surge close to the cliffs after swell; watch depth on the descending slope.
Conservation: Strict no-take reserve; the grouper population is the direct result of enforcement since the 1980s. No touching or chasing.
Nitrox: Worth it here — profiles sit in the range where enriched air meaningfully extends no-stop time (with the training to use it).
For photographers
Wide angle: ★★★★☆ · Macro: ★★★☆☆ — editors' 1–5 rating of what this site gives each style of shooting