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Plunge Pool Guide: Benefits of Installing a Plunge Pool

Written by MasterClass

Last updated: Aug 19, 2021 • 3 min read

A plunge pool is a smaller alternative to a traditional swimming pool that can be used for lounging, wading, or exercising.

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What Is a Plunge Pool?

A plunge pool is a compact or smaller-size swimming pool commonly used in places with limited space. Most plunge pools are between 13 and 23 feet long, and 7 to 10 feet wide, which makes them slightly larger than an average hot tub. They can be installed as inground plunge pools, or they can be used above-ground if you choose a fiberglass pool or concrete plunge pool.

A plunge pool’s small size makes it perfect for wading into and for cooling off in the heat, as well as for hydrotherapy and low-impact exercise. Plunge pools typically don’t have spa jets or hot water like hot tubs or swim spas do, but those features can be added as customizations.

4 Types of Plunge Pools

While plunge pools have the common feature of being small, there are a few varieties to choose from:

  1. 1. Deep or shallow: A shallow plunge pool is best for lounging or for stationary exercise in the water, while deeper plunge pools provide total body immersion similar to a swimming pool.
  2. 2. Infinity edge: An infinity pool is a pool design in which one edge is just a fraction of an inch shorter than the water level, which allows water to flow over into a basin where it recycles back in. This is purely a design choice or a landscaping consideration, and won’t affect the current of your pool.
  3. 3. Indoor or outdoor: Plunge pools make for great backyard pools, but they can also be installed indoors, such as in a sunroom, since they take up so little space.
  4. 4. Lap pools: A lap pool is a type of plunge pool that has resistance jets installed to create a strong current you can swim against. Lap pools are great for aquatic exercise in a small space.

Benefits of a Plunge Pool

There are many reasons to choose a plunge pool when designing a space:

  • Less space required: Small plunge pools are a great option for outdoor spaces where a traditional pool or full-size pool won’t fit, such as a small backyard. Homeowners with small spaces or smaller lots can combine a plunge pool with decking, water features, and fire pits to create a luxurious outdoor living space with a small amount of real estate.
  • Easier maintenance: A small pool size means there will be less water for dirt and debris to accumulate, which means maintenance will be simpler. Most plunge pools can be cleaned by hand with a manual vacuum or a scoop net, and small pool covers are easy to throw over.
  • Lower cost: The plunge pool cost for installation will be much lower since there will be less area to clear and dig. If you don’t want to pay a professional installer, like a pool builder or pool contractor, pool installation for plunge pools can also be much more cost-effective DIY projects than for larger pools.

Considerations for a Plunge Pool

There some reasons why a plunge pool might not be ideal for a space:

  • Less space for swimming: You won’t be able to swim laps in most plunge pools, and kids won’t have much room to play in a plunge pool. You also won’t be able to fit as many people in a plunge pool as you would a regular pool.
  • Safety risks: A small pool might tempt children to dive or jump in and injure themselves. This can be especially dangerous if your plunge pool is shallow.
  • Design: There are fewer design options for smaller pools since there isn’t as much space for interesting shapes for the outer contour of the pool.

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