More Splash For Your Cash. Olson Pools & Spas has been serving the Hawley, Minn. area since 1976. When you want paradise at home, contact us for a delightful pool or spa system.We provide sales, service and parts for all your swimming pool needs. Whether an in-ground or above ground solutions works better for you, we can give you the quality products to make it work. Some of what we can do for you includes:* Swimming pools* Spas* Hot tubs* Saunas We also carry a large line of accessories, parts and chemicals. Please visit our showroom to see our large selection of products.Call today for more information on the backyard of your dreams.