What are some of your favourite things to do when at the beach?

Yeah, been asked before no doubt. Hell maybe I asked something similar myself. Still, worth another shout so here goes. Simple enough, the most fun or at least an activity you indulge in most whilst at the beach. Surf or catch some rays. Check out the local talent or simply swim. Maybe you play sports like volleyball or play with the kids. So yeah, tell me which beach based frolics you enjoy.