OYSTER BAY - Long Islanders looking for some summer fun don't have to look any further than their own backyards. Newsday is releasing its list of the 50 best things to do on Long Island this summer. From historic gardens to best beach bets, the list has some great ideas to keep the whole family entertained. The historic Huntington Harbor Lighthouse, which is marking its 100th anniversary this summer, makes the list as a beautiful spot to visit. Old Westbury Gardens, a historic Gold Coast mansion known for its magnificent gardens, offers guided tours and a fabulous picnic spot. The Jones Beach volleyball tournament also made the list as a classic summer activity.