During the off-season, it’s possible to have the expansive beach almost to yourself. Timing is everything when visiting Hampton Beach. Things to Do in Hampton Beach | Our Guide to Hampton Beach, NH Photo Credit : Tichnor Brothers/Boston Public Library Easily the busiest beach in the state, Hampton Beach State Park has been repeatedly singled out by the National Resources Defense Council for its clean water. Part seaside resort and part old-time carnival, Hampton Beach is the attention-hogging star of the show that is New Hampshire’s 18-mile stretch of Atlantic coast. Please check with individual businesses and organizations for the latest information before making travel plans. Please note that many establishments throughout New England have modified their hours and/or operations in response to COVID-19.