Beach Volleyball is a related sport to Volleyball, although it is typically different.
Where normal Volleyball has 2 teams of 6 players, Beach Volleyball has 2 teams consisting of only 2 players.
And, as follows from the name, it is played on sort of a beach playing court, namely consisting of sand. In recent years a lot of tournaments are being held away from beaches, so that the organizers need to bring in enough sand to supply the right conditions.