Getting There: John D. MacArthur Beach State Park is located 2.8 miles south of the intersection of U.S.1 and PGA Blvd. on A1A in North Palm Beach.
Scuba Diving & Snorkeling - Scuba diving and snorkeling are permitted. A "Diver Down" flag, for snorkelers and divers, is required by law and is available for rent at the Nature Center.