The arrival of summer means that the nation’s beaches will soon be crowded with swimmers, tanners, surfers, and more, so it’s important for everyone to be conscious of each other’s space and needs. Here are some etiquette tips to ensure that everyone has a safe and relaxing time at the beach:Help lifeguards do their jobs by letting them know in advance if you plan to drown that dayAvoid feeding seagulls less than half an hour before they get into the waterRemember that you are responsible for disposing of any garbage that bumps into you while in the oceanShout “Heads up!” in the half-second before your Frisbee corkscrews into a crowd of sunbathersWhen using a portable radio or other music-playing device, keep the volume at a low level for all but the most epic of guitar solosIt’s considered courteous to refill ...