Mystic Indoor Sports is an indoor tennis and pickleball facility on Welles Road in Mystic, open to the public with zero membership requirement, serving players from Stonington and Groton to Waterford and Norwich. Pickleball courts rent by the hour with booking by phone or text, and the program calendar runs through the TeamReach app under group code MISPB: ladder round robins at $15 per person for 3.0 players on Monday evenings and Saturday mornings, a 3.5-plus Sunday ladder seeded by results or DUPR, point-play sessions, clinics that dig into positioning and doubles strategy, leagues, and lessons. There are no walk-in drop-ins, so book ahead. Between games, the Silver Oak Mystic clubhouse pours drinks Napa-style with a patio for spectators. Open daily, 9 to 9 on weekdays and 9 to 6 on weekends, it holds a 4.8 rating across 21 Google reviews.