Granito de Arena participants in El Palmar de San Carlos, Panama, compile the day's haul with Carissa Moore and Edgar Saavedra.

Two girls share a sack during a beach cleanup in El Palmar de San Carlos, Panama.

Andres Fernandez of Ecuador -- the man who originally conceived Granito de Arena -- ducks under the lip in Costa Rica.

Gary Saavedra may hold the Guinness world record for longest ride on a surfboard, but that doesn't mean he doesn't enjoy a fins-free moment every now and again.

Panamanian surfer and project team member Gary Saavedra shows some Costa Rican children the basics.

Puerto Rico's Otto Flores finding time to catch a few during the Granito de Arena project in Costa Rica.

Carissa Moore helps to release baby turtles during the Granito de Arena project in El Salvador.

Part of the Granito de Arena workshops offers kids the chance to take the plastic refuse they find on the beach and turn it into something fun or useful.

Carissa Moore helps the kids to create artwork out of plastic bottles during the Granito de Arena project in El Salvador.

Carissa Moore teaches a boy how to surf during the Granito de Arena project in El Palmar de San Carlos, Panama.

Discarded plastic bottles are given new life by the children of Granito de Arena in El Salvador.