Great question! Spas are designed for relaxation, hydrotherapy, and wellness. for 2 to 10 people with the option of lounger seats, standard seats or a mix of both. Designed to provide a unique massage with each seat and include features to enhance the user’s overall experience. Swim spas are longer, giving you space to swim against jets — like a treadmill for swimming — plus room to relax. Plunge pools are compact pools, perfect for cooling off or light exercise, often without all the seating and jets of a spa. Each has its own benefits depending on space, lifestyle, and budget.