Monterey Bay

The day is built around a car park and a swell forecast. Divers check the morning surf, pick an entry, and kit up on the sand or the ramp before walking in, and most days run to two dives from the car with a fill in town between them. Boats leave Monterey harbour for Carmel Bay and the offshore pinnacles when the ocean allows, but shore is the default. Point Lobos breaks that casual rhythm: dive entry has to be booked in advance, and the number of teams allowed in on a given day is capped.

The ground underneath is granite and sand rather than coral. Rock ridges run out from the headlands into sand channels, and kelp grows off that rock in three layers: canopy overhead, stipes to swim between, and a tangle at the base where most of the small life sits. Sites differ mainly in exposure and in how fast the bottom falls away, from gently shelving ground inside the harbour to steep profiles where a canyon head runs close inshore, and shallow broken reef along the Pacific Grove shoreline.

The diving itself is slow and close-focus: invertebrate-crusted rock, sponge and hydroid growth, and animals found by looking rather than by covering ground. How far you can see depends on upwelling as much as on the calendar, since the cold, nutrient-rich water that makes the bay productive also feeds the plankton that shortens sightlines through spring and summer. When that eases off, September and October are the months regulars plan around. The water is cold in all of them, so most locals dive dry, with hood and gloves to match, rather than changing kit by season.

It suits divers who want cold-water and shore-entry practice within reach of a town full of shops, fill stations and rental drysuits, and photographers happy to work close-up on green days. Because entries get picked on the day rather than weeks out, it pays to build spare days into a trip and stay flexible about where you get in. Divers expecting warm water, long sightlines or dependable big-animal encounters will find it a poor fit; this is a place for texture and small subjects.