Allen Pools & Spas has expanded! Omega Real Estate Associates is delighted that Allen Pools & Spas is showcasing their inventory at 32 Cottonwood Drive in Williston. Are you in the market for a hot tub, sauna or endless pool? Come take a look at why Allen Pools & Spas has been in business since 1957. With room to spread out, you will be able to dive right in and try out a variety of models to see which one is right for you!