Summer time is vacation time—a chance to step away from minipreps or grant deadlines and investigate nature outside the lab. For many of us, that means a trip to the beach. But don't let those colorful umbrellas and vigilant lifeguards fool you. Every foray into nature is ultimately a battle between predator and prey. In this Cell Culture, we explore cellular and molecular mechanisms used by predators at the beach to track us down and take a bite.