After roughly a month plodding around the Maine coastline, we knew we wanted to provide Dexter with a taste of the beach before we sent him packing back home to start the school year. Having stumbled into the surprise (to us) area of NH’s coastline back in July, we decided it would be a good place to enjoy a bit more beach time before the summer ended. We snagged a campsite at Salisbury Beach State Reservation and set about insisting Dexter enjoy the beach. We’d maxed out our yearly overnight limit over at Hampton Beach State Park just up the…