Sippican Lands Trust is bringing back its Open Space Beach Bash lobster and clam boil fundraiser at Silvershell Beach on July 21. The 12th annual Open Space Beach Bash will feature boiled lobster, steamers, grilled chicken, potatoes, corn, dessert and beverages along with a kids’ menu of hamburgers and hot dogs. Musical performance by Blu Lobsta. For details, call the Sippican Lands Trust office at 508-748-3080.