Welcome to Atlantis Pool & Spa - family owned and operated. Located in Westminster, Colorado, with over 37 years experience, we know what chemicals, equipment and products you need to keep your pool and spa looking and operating like new. Can't find what you are looking for in our store? Just ask and we would be happy to order it for you! We also offer springtime startup and winter shutdown services for your pool and spa, as well as in-house water analysis to make sure your water is clear and balanced.