Picigin

Gather a small group standing in ankle-to-knee-deep water near the shore.

Slap and volley a small ball between players using an open palm, never catching or holding it.

Dive and stretch through the shallow water to keep the ball from touching the surface.

Move freely through the water to reach the ball and keep the rally alive as long as possible.

Reward the most acrobatic diving saves — effort and style count as much as simply keeping the ball up.

Restart with a gentle toss whenever the ball touches the water, and see how long the group can sustain a rally.