Sucre is a rocky west-coast Réunion reef dive with a compact maze of canyons, arches, and small caves. A shallow reef top and broken platier give way to white sand and rock, so the site feels like a terrain loop rather than a long wall. It suits confident reef divers who like route-finding and good buoyancy more than big-depth profile. Turtles, clownfish, and reef fish are common, with occasional barracuda or Napoleon wrasse in the blue.