Write-up & Photos by Jacqueline Bennett newsandviewsjb Late spring tranquility and solitude along Connecticut’s state park beaches will soon give way to wall-to-wall people on colorful blankets, or in sand chairs soaking up the sun and enjoying the surf.  Here’s a glance at some and what they have to offer. HAMMONASSET STATE PARK, this two mile beach on 1288 Boston Post Road in Madison is the state’s largest. A popular vacation camping site, it has 550 grassy campsites, according to the state Department of Energy and Environmental Protection which oversees the state park system. Generally, campsites are booked well in advance. Hammonasset  has a boardwalk, swimming, saltwater fishing, bicycling, carry-in boating, walking trails, concessions, showers, picnicking and Meig’s Point Nature Center. A variety of restaurants…