With room for up to four adults, the round Denali® spa offers total relaxation and value. The classic shape of this plug and play model offers just enough space for a solo soak or connection time with family. Throughout this 680™ Series spa, a variety of jet formations soothe muscles and invigorate your entire body. A cool-down seat offers a place to take a break from the heat without leaving the comfort of the spa. Also, this spa features a multi-colored LED footwell is home to a mini foot dome that spells relief for fatigued feet. Our hot tubs for sale in the 680™ Collection are available with an optional alternative insulation system. The right insulation can help to retain and regulate the temperature within your spa, creating a better-quality and more energy-efficient hot tub experience for years to come.