Just thought of sharing some interesting facts I came across:

1. The beach court measures 26.25 feet by 52.5 feet (8.00 m × 16.00 m), while the indoor court measures 29.52 feet by 59.05 feet (9.00 m × 18.00 m).

2. Players alternate service, but are not required to rotate positions.

3. It is legal to cross under the net as long as doing so does not interfere with the opponents' attempt to play the ball

4. Teams change sides of the court at every combined multiple of 7 points. For example, if Team A has 10 points and Team B also has 10, then the next point will cause both teams to switch sides, the total score of 21 being a multiple of 7. On the third set (or game), teams change sides of the court at every combined multiple of 5 points.