If there was a God and she had put her finger down to create the perfect freediving spot, Dean's Blue Hole would be it! It lays 20 meters of a white beach, it's protected by cliffs most of the way around and by a reef the rest of the way, so you get no currents, no wind chop, no thermocline, just 200 meters of perfect depth. For me as a cameraman, I couldn't ask for a better backdrop for depth competitions. It is gorgeous from all angles, especially when you go to a key spot and you get that massive overview.
Dominica
The bay of Soufriere is in a caldera, let's say a crater of a volcano and is protected from all sides. It's deep, there's barely any current, it's warm! What I love about it most, it is lively, the whole island is green and even the sea is bubbling, full of life. All the fish live there, all of them. You can play with them, swim through them. If you get a bit tired from training, you can go to a waterfall and get energized there, or lay in a hot spring. Dominica will recharge your battery like nothing else.