I’ve recently written about a shoreline and a coastal water dweller suggested by readers, sand crabs and Velella velella. And ...

Sand dollar skeletons and fossils turn Ocean Beach into a living lab—perfect for a family day trip. Sand dollar skeletons, or “tests,” wash up in great numbers on San Francisco’s Ocean Beach.

The Oregon Coast offers beachgoers activities like hunting for glass floats, sightseeing, sand raking and collecting sand dollars. While finding a whole sand dollar can be rare, there is a rocky beach ...