PINECREST PIRANHAS is a summer competitive swim and dive team in the Northern Virginia Swim League (NVSL). Membership on the SWIM team is only open to current members of Pinecrest Swim and Tennis Club in Herndon. Membership on the DIVE team is open to any member of Pinecrest Swim and Tennis Club and any member of an NVSL pool that does not have a dive team associated with the NVSL pool they belong to. Membership to Pinecrest Swim and Tennis club is not required.