A welcome sign of spring in Atlantic City is the reopening of bars, clubs and pools for the season, all of which greatly expand the options for partying both day and night through the summer. From rooftop pool parties to beachfront bars to clubs with outdoor areas overlooking the ocean, there is no shortage of places where you can enjoy the sun or moonlight with drinks, music and large, like-minded crowds looking to have fun. Below are five things you need to know about some of the most popular, most unique and newest places in the city where going out really means partying outside and enjoying the warm weather while it's here.