What Is A Plunge Pool?

September 11, 2026

A plunge pool is a compact swimming pool designed for cooling off, relaxing and enjoying the water without requiring the space of a traditional full-sized pool. While plunge pools are generally smaller in length and width, they can still be deep enough for adults to comfortably submerge, stretch out and escape the Gold Coast heat.


Plunge pools have become increasingly popular with homeowners who want the lifestyle benefits of a swimming pool but have limited backyard space. They are particularly well suited to smaller residential blocks, townhouses, courtyards and homes where the outdoor area needs to serve several different purposes.


At JKO Pool Construction, we can design and build a custom concrete plunge pool around the available space, the property’s layout and the way the homeowner wants to use their backyard. Rather than thinking of a plunge pool as a smaller version of a standard design, we treat it as an opportunity to create something specifically suited to the home.


What Is Considered A Plunge Pool?

There is no single size that every plunge pool must follow. Generally, a plunge pool is considerably smaller than a traditional backyard swimming pool and is designed more for cooling off and relaxation than swimming long laps.


Many plunge pools are approximately two to four metres long, although their dimensions can vary significantly. A narrow courtyard pool, compact square pool or deeper custom-built design could all be considered a plunge pool.


What makes a plunge pool different is not only its size. It is also the way the pool is intended to be used. A standard family pool may be built for swimming, games and entertaining larger groups. A plunge pool is usually designed to provide a peaceful place to sit, cool down and enjoy the backyard.


Depending on the design, it may include:

  • Built-in bench seating
  • Entry steps
  • Spa jets
  • Heating
  • Water features
  • Pool lighting
  • A shallow lounging area
  • An internal ledge
  • An integrated spa section
  • Swim or resistance jets


These features can turn a relatively small pool into a comfortable and versatile outdoor space.


What Is The Difference Between A Plunge Pool And A Regular Pool?

The main difference between a plunge pool and a regular swimming pool is the overall size.


A traditional backyard pool is generally large enough for swimming, playing and accommodating several people at once. A plunge pool has a smaller footprint and is designed to make more efficient use of the available outdoor area.


The two pool types can also differ in their intended purpose. A plunge pool is normally used for cooling down, sitting in the water or relaxing with family and friends. Although children can still enjoy playing in one, there may not be enough length for traditional swimming or larger pool games.


That does not mean a plunge pool needs to feel basic. It can still include many of the same design elements as a larger pool, including premium interior finishes, tiles, lighting, heating and automated equipment.


With a custom concrete design, the pool can be shaped around the home rather than forcing a standard-sized pool into an unsuitable space.


Why Are Plunge Pools So Popular On The Gold Coast?

The Gold Coast lifestyle makes a backyard pool an attractive feature, but not every property has enough room for a large one.


New homes are often built on smaller blocks, while extensions, outdoor entertaining areas and secondary dwellings can reduce the amount of backyard space available. Some established properties also have unusual boundaries, sloping land or landscaping that homeowners want to retain.


A plunge pool allows homeowners to enjoy the water while leaving more room for other features.


You may still have space for:

  • An outdoor dining setting
  • A barbecue or outdoor kitchen
  • Lawn for children or pets
  • Garden beds
  • A deck or paved entertaining area
  • Access along the side of the home
  • Storage or a garden shed


A thoughtfully positioned plunge pool can become the centrepiece of the backyard without taking over the entire area.


Our warm Gold Coast climate is another major reason for their popularity. You do not necessarily need a large swimming area to enjoy a pool. Being able to step into the water, cool down and relax at home may be all you need.


What Are The Benefits Of A Plunge Pool?

Makes Better Use Of A Small Backyard

The most obvious advantage is that a plunge pool can fit into an area where a full-sized swimming pool may not be practical.


A custom design can use a narrow side yard, courtyard or overlooked corner of the property. With careful planning, the pool can complement the outdoor area rather than making it feel crowded.


Leaves More Room For Entertaining

Installing the largest possible pool is not always the best use of a backyard. Many homeowners also want enough room for seating, cooking, entertaining and landscaping.


A smaller pool can provide the best of both worlds. You gain somewhere to cool off while retaining usable space around it.


Can Be Easier To Maintain

Because a plunge pool holds less water than a large swimming pool, there is generally a smaller area to clean and maintain. The pool may require fewer chemicals and less time to vacuum or brush.


However, it will still need regular filtration, cleaning and water testing. A plunge pool is lower maintenance rather than maintenance-free.


Provides A Relaxing Backyard Feature

Plunge pools are well suited to creating a calm, resort-style outdoor space. Built-in seating, warm lighting, water features and surrounding landscaping can make the pool enjoyable even when nobody is swimming.


It can also create an attractive view from inside the home. This is particularly effective when the pool is positioned near large windows, living areas or an alfresco space.


May Be More Efficient To Heat

A smaller volume of water can generally be heated faster than a large pool. This may make it more practical to use a plunge pool outside the hottest part of summer.


Adding a suitable pool cover can also help retain heat, reduce evaporation and keep debris out of the water.


Offers Plenty Of Customisation

Small does not have to mean simple. A custom concrete plunge pool can include carefully positioned steps, seating, curves, ledges and other features designed around how you want to use it.


You can also select from different tiles, coping materials, interior colours and landscaping styles to connect the pool with the rest of the home.


Are There Any Disadvantages To A Plunge Pool?

The main limitation is that a plunge pool does not provide as much room for swimming.


If your priority is swimming laps, hosting large pool parties or giving older children plenty of space for games, a traditional pool may be more suitable. A plunge pool can still be fun, but the experience is different.


It is also important not to assume that a small pool will cost only a small fraction of the price of a full-sized pool. Many of the same essential construction stages and systems are still required.


A plunge pool may still need:

  • Excavation
  • Structural engineering
  • Concrete and reinforcement
  • Plumbing
  • Filtration equipment
  • Electrical work
  • Waterproofing and interior finishes
  • Coping and surrounds
  • Compliant pool fencing
  • Council or building approvals


Access can also influence the cost. Some plunge pools are installed in tight backyards precisely because the property has limited space.


Restricted machinery access and difficult excavation conditions can add complexity to the project.


Concrete Plunge Pools Versus Prefabricated Plunge Pools

One of the major decisions is whether to choose a custom concrete plunge pool or a prefabricated option.


Prefabricated pools are manufactured in a set range of shapes and sizes before being transported to the property. They can work well when there is suitable access and an available design fits the yard.


Concrete plunge pools are constructed on-site. This provides far greater flexibility over the size, shape, depth and internal layout.

A concrete pool may be the better choice when:

  • The backyard has unusual dimensions
  • Access is limited
  • The pool needs to follow a boundary or building line
  • You want customised seating or steps
  • You have a particular depth in mind
  • The pool is part of a larger landscape design
  • You want the finish to complement the home
  • A standard prefabricated shell will not fit the space


At JKO Pool Construction, we specialise in new concrete pools and pool renovations. Custom construction allows us to consider the entire backyard instead of limiting the design to a preselected shell.


How Deep Is A Plunge Pool?

Plunge-pool depth varies depending on how the pool will be used. Some are designed with a consistent depth, while others include steps, benches or separate shallow and deep areas.


A deeper pool allows adults to submerge more comfortably, but it may not suit every household. Families with younger children may prefer a shallower design or more generous entry steps.


The most appropriate depth should be determined during the design stage. We consider the homeowner’s preferences, the pool’s dimensions and the intended use before recommending a layout.


Regardless of its size or depth, a plunge pool still requires compliant safety barriers and responsible supervision around the water.


Can You Swim In A Plunge Pool?

You can swim and move around in a plunge pool, but most designs are too short for traditional laps.


If exercise is important, resistance or swim jets may be added to some plunge pools. These systems create a current that allows you to swim against the moving water without requiring a long pool.


The pool could also be used for low-impact movement, water-based exercises or recovery. However, the available options will depend on the size, depth and equipment selected.


Let your pool builder know how you intend to use the water. A pool designed mainly for sitting and socialising will require a different layout from one intended for exercise.


Can A Plunge Pool Be Heated?

Yes, a plunge pool can be heated.


Heating can make the pool more comfortable during cooler weather and extend the period in which it is used. Because there is less water to heat, a plunge pool may reach the desired temperature sooner than a much larger pool.


Common heating options include electric heat pumps, solar heating and gas systems. The right option will depend on how frequently you want to heat the pool, your preferred temperature, the available equipment space and your budget.


A pool cover is worth considering with any heated pool. It helps limit heat loss and evaporation when the pool is not being used.


Can You Add Spa Jets To A Plunge Pool?

Spa or massage jets can be incorporated into many custom plunge-pool designs. When combined with built-in bench seating and heating, they can create an experience somewhere between a swimming pool and a spa.


However, a plunge pool with jets is not automatically the same as a dedicated spa. Spas typically operate at higher temperatures and may have different circulation, heating and sanitation requirements.


If you want both cooling and spa-style relaxation, discuss this at the start of the design process. The plumbing and equipment should be planned before construction rather than added as an afterthought.


Where Can A Plunge Pool Be Installed?

Plunge pools can be installed in many different parts of a property, provided there is sufficient space and the location meets engineering, access and approval requirements.


Common locations include:

  • Small backyards
  • Courtyards
  • Side yards
  • Beside an alfresco area
  • Near the home’s main living area
  • Within a landscaped garden
  • On sloping properties
  • Close to a deck or patio


The pool must be positioned around underground services, property boundaries, building foundations and other site constraints. Excavation access and the location of filtration equipment must also be considered.


The ideal location will balance appearance, sunlight, privacy, access and everyday usability.


Do Plunge Pools Need Fencing And Approval?

A plunge pool is still a swimming pool. Its smaller dimensions do not remove the need to comply with relevant building, approval and pool-safety requirements.


Depending on the project, this can involve:

  • Building approval
  • Engineering documentation
  • Compliant pool fencing
  • Boundary setback requirements
  • Inspections and certification
  • Appropriate drainage
  • Electrical and plumbing compliance


Requirements can vary between properties and may be affected by overlays, easements, access and the location of existing structures.


A pool builder can review the proposed location and help determine what documentation or approvals will be required before construction begins.


How Long Does It Take To Build A Concrete Plunge Pool?

A concrete plunge pool goes through many of the same construction stages as a larger concrete pool. These can include design, engineering, approvals, excavation, steel reinforcement, plumbing, concrete placement, curing, tiling, interior finishing and commissioning.


At JKO Pool Construction, a new concrete pool will generally take approximately six to eight weeks to build once physical construction begins. However, the exact timeframe can vary depending on the site, design, access, weather, approvals and selected finishes.


Although a plunge pool is smaller, it still needs to be properly planned and built. Rushing the structural work or curing stages can compromise the quality of the finished pool.


How Much Does A Plunge Pool Cost?

The cost of a plunge pool depends on much more than its dimensions.


The biggest factors can include:

  • Pool size, shape and depth
  • Site access
  • Ground and excavation conditions
  • Concrete and engineering requirements
  • Selected interior finish
  • Tiles and coping
  • Heating or spa jets
  • Filtration and automation
  • Lighting and water features
  • Pool fencing
  • Surrounding decking or paving
  • Landscaping
  • Retaining walls or drainage work


A simple design on an accessible, level block will usually cost less than a highly customised plunge pool built on a sloping property with restricted access.


The best way to establish an accurate budget is to have the property assessed and discuss the complete project rather than relying on a generic online price.


Is A Plunge Pool Worth It?

A plunge pool can be an excellent investment if you want a place to cool off and relax but do not need a large swimming area.


It may be right for your home if:

  • Your backyard has limited space
  • You want to retain an entertaining area
  • Relaxation is more important than lap swimming
  • You want an attractive water feature
  • You prefer a more manageable pool
  • You want a custom design for an unusual space
  • You would like to heat the pool for more of the year


The key is choosing a design that genuinely suits your lifestyle. A well-planned plunge pool should feel like an intentional part of the home, not simply a standard pool squeezed into a small area.


Build A Custom Plunge Pool On The Gold Coast

A plunge pool gives you the opportunity to enjoy the Gold Coast lifestyle without sacrificing your entire backyard. With the right design, even a compact pool can provide space for cooling down, entertaining, exercising and relaxing at home.


JKO Pool Construction designs and builds custom concrete pools across the Gold Coast. With approximately 16 years of combined industry experience, Josh and Blake can help you make the most of the available space and create a pool that complements your home.



Contact JKO Pool Construction to discuss your ideas and arrange a quote for a custom Gold Coast plunge pool.

Written By Blake & Josh

With a combined 16 years of hands-on experience, we pride ourselves on delivering pools built to the highest standard.

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