According to the Press of Atlantic City Saturday was all about community in Sea Isle city, including a ceremony to break ground on a $21 million new community center at 4501 Park Road.That project kicks off as another finishes, with officials cutting the ribbon on the city’s new dog park at Seventh Street and Landis Avenue. Those and multiple other events were part of the city’s annual Community Day, a kickoff to summer and reintroduction to the city for visitors and second homeowners that has been going on for at least a decade.