The NCAA officially calls it Sand Volleyball.
“The NCAA officially calls it Sand Volleyball.”
Part of the reason they do not call it Beach Volleyball is that it some schools thought it would give the Long BEACH State women’s team a slight advantage in the sport. They are a power in volleyball although not as dominant as before.
I think it’s back to Beach Volleyball.
http://www.ncaa.com/news/beach-volleyball/article/2015-06-30/ncaas-newest-championship-will-be-called-beach-volleyball