Welcome to summer: at last, finally, summer has arrived, in all its New England glory. With our summers being the all-too-brief, intense and joyous affairs they are, you don’t want to miss a single shimmering weekend or waste a solitary summer’s day. Your June issue of “The South Coast Insider” has, as always, the information you need to plan your family’s summer fun. The full list of special events, celebrations and things to do is in Dateline South Coast, compiled by Elizabeth Morse Readand beginning on page 32.