This zone can still be seen at low tide but you’ll be looking at it in the water. The subtidal zone is the lowest zone and it is below the reefs that get exposed at low tides. In this zone you can see sea anemones, hermit crabs, snails, sea hares, sea stars, sea sacs, lobsters, chitons, limpets, California mussels, and small fish.
This is where most people go tidepooling when walking around on rocks at low tide. The middle intertidal zone is under water at high tide and exposed at low tide. Here you’ll find things like periwinkle snails, shore crabs, fingered limpets, chitons, and acorn barnacles. The splash zone is higher on the rocks and is exposed at all but the highest tides. There are three zones that make up the tide pool areas of California You are guaranteed to find plenty of limpets, chitons, mussels, barnacles, snails, and anemone. You will need to venture farther on the reef to find the more elusive creatures that are only revealed in the lowest tides, the colorful nudibranchs and if you are very lucky, octopus.ĭuxbury tidal pool life has fantastic names like Spotted Unicorn (Acanthinucella punctulate), a sea snail that lives in the upper tidal zone and Iridescent Algae (Genus Mazzaella) which glimmers blue underwater in the sunlight. The rocks are covered in pink Coralline Algae and Encrusting Coralline Algae. The dominant color of the Duxbury tide pools is pink. This means you cannot possess, damage or take any species or materials on the beach (except for hook and line fishing for finfish.) Help ensure this exceptional place thrives for future generations by stepping carefully on the rocks and observing only. Good to know: This beach and reef are an important Marine Protected Area, the Agate Beach Duxbury Reef State Marine Conservation Area (SMCA). Check the tides for Bolinas before you go. Here, you will find exceptional tide pools to explore when the tide is low. You can access Duxbury Reef from Agate Beach in Bolinas. Terrain: sandy beach, shale reef, sandstone cliffsĪt the southernmost end of the Point Reyes peninsula is Duxbury Reef, a large shale reef extending out from Duxbury Point at the south end of Agate Beach.
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