Come discover the mysterious animals that live below Mason County piers! The Puget Sound Estuarium is offering its Pier Peer program free to Mason County residents at Alderbrook Resort & Spa marina Saturday, June 28 and Shelton Yacht Club marina on Saturday, July 26th, 2025. Register your family for a free night of estuary exploration from microscopic plankton to dockside marine life and deep below with their ROV (robot-operated vehicle).