San Miguel

Everything here starts at a jetty the resident operator has more or less to themselves, since boat traffic is barred from the channel. From there, a shallow route drops gently to about 16 metres over ground busy with small fish and shellfish, rays and barracuda schools moving through regularly. Continue further and the terrain sharpens into a prismatic rock formation around 27 metres, a maze of ledges where morays, anemones and octopus tuck themselves out of the light. Two zones, one entry point, and neither one requires a boat.

Controlled access is the real story here. A calm, boat-free channel is unusual on a coast where most sites share water with regular traffic, and it shows in what turns up after dark: sand conger eels and red octopus work the shallows on a night dive in a way they wouldn't with boats passing overhead all day. It's a site built on a practical advantage rather than a single headline creature.

Book through the resident operator; this isn't a site you enter independently. Night dives are worth prioritising here specifically because of the quiet channel. The deeper prismatic-rock zone is still approachable for most certified divers, but plan your air with the extra depth in mind.