Atlantic
Algarve — Ocean Revival
Portugal
Four Portuguese Navy ships scuttled together on one sand plain

Region
14 curated dive destinations across 6 countries including Bermuda and Cabo Verde in the Atlantic. Conditions peak around Jun, Jul, Aug, Sep and Oct.
Azores — Pico & Faial · photo Diego Delso
Common encountersBarracudaReef fish swarmsSea turtlesNudibranchsOctopus & cuttlefish
Atlantic
Portugal
Four Portuguese Navy ships scuttled together on one sand plain
Atlantic
United Kingdom
Black triggerfish swarm thick enough to block out the light
Open-water mobula ray carousels at Princess Alice Bank each summer
Pink granite caves and tunnels in cold Atlantic swell off Peniche
Around three hundred charted wrecks, most of them shallower than 20 m
Nurse sharks rest in Regona's volcanic cavern maze off Santa Maria
Snapper shoals and barracuda swirl over basalt at Africa's westernmost point
Lava arches, canyons and tunnels reachable from a rocky beach entry
Volcanic walls dropping past 100 m beside a volcano that erupted in 2011
Kelp and granite in cold Atlantic water at the mouth of the Ría de Vigo
Three hundred concrete figures stand at 14 m in Europe's underwater museum
Boulder swim-throughs at Garajau, monk seals and mantas off the Desertas
Adult male and female whale sharks gather together, seen nowhere else
Atlantic
Spain
Black sand and lava arches metres from shore, with resident pilot whales