S2 Pickleball is a company based in Boise, Idaho, specializing in indoor pickleball facilities. Founded by Zach Spencer, who transitioned from a nearly two-decade career in real estate, S2 Pickleball opened its first indoor gym in Boise in February 2024. The company generates revenue through memberships, court rentals, and hosting events and tournaments. They are expanding with planned locations in Ogden, Utah, and Denver, Colorado. Their flagship facility at 3615 South Federal Way in Boise is the first of its kind in the city, offering a unique recreational space for pickleball enthusiasts.