Maine Pool Store. 291 Harold L Dow Hwy, Rt 236. Eliot, Maine 03903. Phone: 207-439-6800. Fax: 207-439-4443. Map & Driving Directions . Northern Pool & Spa provides beautiful inground swimming pools for residential and commercial customers in ME, NH and MA. Northern Pool & Spa offers . Northern Pool & Spa offers inground pool construction for both gunite and vinyl liner swimming pools. Our pool company has two retail pool stores that proudly . Search this website. HomePhoto Gallery. All Photos; Commercial Pools; Gunite Pools; Specialty Pool Features; Vinyl Liner Pools. Freeform Gunite Pool with . Swimming is our business, and customer satisfaction is our highest priority. Northeastern Pools & Spas has been serving Stark and its surrounding counties for .