Fiberglass Plunge Pools – Small Pools with Big Impact
Fiberglass Plunge Pools Built for Modern Living
Fiberglass plunge pools are one of the fastest-growing pool categories in the U.S., offering homeowners a true inground pool experience in a compact, space-efficient design. Rainforest Pools manufactures American-made fiberglass plunge pools engineered for strength, longevity, and visual impact, making them an ideal solution for homeowners who want luxury without sacrificing yard space. These pools are especially popular in urban environments, coastal markets, and properties where efficiency and design matter most.
A Smart Solution for Small Backyards & Tight Spaces
Unlike traditional full-size pools, plunge pools are intentionally designed for small backyards, narrow lots, courtyards, patios, townhomes, and secondary residences. Homeowners choose fiberglass plunge pools for relaxing, cooling off, social gatherings, and light resistance swimming rather than lap swimming. Because of their smaller footprint, plunge pools use less water and fewer chemicals, making them easier to maintain and more efficient to own over time.
Why Fiberglass Is the Best Material for Plunge Pools
Fiberglass plunge pools offer distinct advantages over concrete and vinyl alternatives. Each Rainforest Pools plunge pool is factory-molded in a controlled environment, ensuring consistent thickness, structural integrity, and a smooth, non-porous surface that resists algae growth. The one-piece shell allows for faster installation timelines, reduced construction disruption, and eliminates liner replacements—resulting in lower long-term ownership costs.
How Much Does a Fiberglass Plunge Pool Cost?
Most fiberglass plunge pool projects typically range from $35,000 to $85,000, depending on the selected model, site conditions, access, and optional features such as heating or automation. Because plunge pools require less excavation, plumbing, and materials than larger inground pools, they are often one of the most cost-effective ways to install a premium inground pool, particularly in space-constrained or high-value properties.
Designed for Small Backyards & Urban Spaces
Fiberglass plunge pools are intentionally designed for compact properties, narrow lots, courtyards, and modern backyards where a full-size pool may not fit. They deliver the benefits of an inground pool without overwhelming your outdoor space..
High Value for Modern Homes & Rentals
Plunge pools add visual appeal and functionality to urban homes, vacation properties, and short-term rentals, enhancing outdoor living while maximizing use of limited space.
Low Maintenance, Lower Long-Term Costs
The smooth, non-porous fiberglass surface helps prevent algae buildup, reducing chemical use and cleaning time. Homeowners appreciate the lower ongoing maintenance costs compared to concrete or vinyl pools.
Faster Installation Than Traditional Pools
Because fiberglass plunge pools are manufactured as a one-piece shell, installation timelines are significantly shorter than concrete pools. This means less excavation, reduced disruption, and quicker enjoyment of your pool.
Popular Plunge Pools: 12' wide or less
Width: 8′ | Length: 16′ | Depth: 5′ flat
✨ Key Features:
Integrated tanning ledge for lounging and kids.
Flat bottom— great for games and exercise.
Perfect for compact yards or cocktail-style entertaining.
Width: 12′ | Length: 20′ | Depth: 5′ flat
✨ Key Features:
Flat bottom— great for games and exercise.
Perfect for compact yards or cocktail-style entertaining.
- Spa/therapy jets optional
Width: 12′ | Length: 23′ | Depth: 3’6″ -> 5’5″
✨ Key Features:
Integrated tanning ledge for lounging and kids.
Gentle slope— great for games and exercise.
Perfect for compact yards or cocktail-style entertaining.
Width: 12′ | Length: 25′ | Depth: 3’7″ -> 5’4″
✨ Key Features:
Gentle slope — great for games and exercise.
Perfect for compact yards or cocktail-style entertaining.
- Two built in benches/cuddle coves
Width: 12′ | Length: 27′ | Depth: 3’2″ -> 5’5″
✨ Key Features:
Full width cathedral step entry
Dual deep end swim outs
Big fun in a small footprint
Width: 12′ | Length: 27′ | Depth: 3’2″ -> 5’5″
✨ Key Features:
Spacious tanning ledge for lounging and kids
Generous open space in smaller footprint
Deep end cuddle coves / swim outs
Width: 12′ | Length: 26′ | Depth: 4’2″ -> 5’6″
✨ Key Features:
Full width tanning ledge for relaxation and play
Two deep end sweetheart spaces
Plenty of floating space in a compact pool
Width: 12′ | Length: 33′ | Depth: 3’5″” -> 5’4″
✨ Key Features:
Tanning ledge (full width) for 2 and 4 legged babies
Deep end benches (2)
Modern design / timeless elegance
Colombian Resort
Width: 12′ | Length: 33′ | Depth: 3’5″” -> 5’4″
✨ Key Features:
10″ raised spillover spa
Deep end benches (2)
Includes 10″ deep tanning ledge
Available Water Colors
Choose from our signature Rainforest Pools gelcoat finishes—each designed to sparkle in sunlight and bring your pool to life.
Color Disclaimer:
Actual water color may vary based on lighting conditions, surrounding environment, pool depth, and other natural factors. Color swatches and chips are intended as close representations but may appear differently due to monitor settings, screen resolution, and display variations. We recommend viewing physical samples in natural lighting when possible for the most accurate representation.
Ready to Add a Plunge Pool to Your Home?
Get a free design consult and personalized pricing from an authorized Rainforest Pools dealer.
Hear what Cocktail & Plunge Pool
homeowners have to say...
⭐“Small footprint, big luxury.”
Our backyard isn’t large, but the plunge pool fits perfectly. The design feels high-end and the built-in bench is where we spend every evening.
⭐“Exactly what we wanted for entertaining.”
We host friends often, and this cocktail pool has become the centerpiece of our patio. The water stays crystal clear, and the LED lighting looks amazing at night.
⭐“Perfect size for our courtyard home.”
Our HOA wouldn’t allow a large pool, but the plunge design gave us all the benefits without the space issues. It looks like something out of a resort.
⭐“Great for cooling off after work.”
We didn’t need a big pool — just something elegant and easy to maintain. This one’s the perfect place to unwind on hot Carolina days.
⭐“Low maintenance and energy efficient.”
The fiberglass surface makes cleaning effortless, and the smaller volume means our heater and pump barely run. Love how efficient it is!
⭐“Turned our patio into a retreat.”
“Turned our patio into a retreat.” We paired the plunge pool with travertine decking and string lights — it’s like having our own private spa every evening.
⭐“Beautiful craftsmanship and smooth finish.”
The quality is obvious the moment you step in. No rough edges, no discoloration — just flawless design and comfort.
⭐“Perfect blend of function and style.”
We wanted a modern look without sacrificing comfort. The tanning ledge and compact footprint check every box.
⭐“A pool we actually use every day.”
It’s quick to heat, easy to care for, and fits our lifestyle. The plunge pool was one of the best home upgrades we’ve ever made.
⭐“Small footprint, big luxury.”
Our backyard isn’t large, but the plunge pool fits perfectly. The design feels high-end and the built-in bench is where we spend every evening.
⭐“Exactly what we wanted for entertaining.”
We host friends often, and this cocktail pool has become the centerpiece of our patio. The water stays crystal clear, and the LED lighting looks amazing at night.
⭐“Perfect size for our courtyard home.”
Our HOA wouldn’t allow a large pool, but the plunge design gave us all the benefits without the space issues. It looks like something out of a resort.
⭐“Great for cooling off after work.”
We didn’t need a big pool — just something elegant and easy to maintain. This one’s the perfect place to unwind on hot Carolina days.
⭐“Low maintenance and energy efficient.”
The fiberglass surface makes cleaning effortless, and the smaller volume means our heater and pump barely run. Love how efficient it is!
⭐“Turned our patio into a retreat.”
“Turned our patio into a retreat.” We paired the plunge pool with travertine decking and string lights — it’s like having our own private spa every evening.
⭐“Beautiful craftsmanship and smooth finish.”
The quality is obvious the moment you step in. No rough edges, no discoloration — just flawless design and comfort.
⭐“Perfect blend of function and style.”
We wanted a modern look without sacrificing comfort. The tanning ledge and compact footprint check every box.
⭐“A pool we actually use every day.”
It’s quick to heat, easy to care for, and fits our lifestyle. The plunge pool was one of the best home upgrades we’ve ever made.
Fiberglass Plunge Pools FAQs
How much does a fiberglass pool cost?
Most fiberglass plunge pools start at $40,000 depending on the size, design, soil conditions, and installation requirements.
- Additional features like spas, tanning ledges, automation, and decking can affect final pricing.
How long does it take to install a fiberglass pool?
Unlike concrete pools, fiberglass shells arrive installation ready and can be completed in as little as 2–4 weeks once excavation begins — making them the fastest inground pool option available.
Are fiberglass pools durable?
Very!
High-quality fiberglass shells (like those made by Rainforest Pools) are designed to last decades with minimal maintenance. They’re non-porous, resistant to cracking, and don’t require resurfacing like concrete.
Can fiberglass pools be customized?
Absolutely.
- You can choose colors, waterline tile, coping styles, lighting, automation, and surrounding decking. While the shell shape is fixed, everything else — landscaping, hardscape, and features — is highly customizable.
What kind of maintenance do fiberglass pools require?
Maintenance is minimal — the smooth gelcoat surface resists algae growth, reducing the need for brushing and chemicals.
- Most owners spend less than 30 minutes a week maintaining their fiberglass pool.
How do fiberglass pools perform in different climates or soil conditions?
Fiberglass performs well in all climates!
Including freeze-thaw zones and sandy coastal soils, because of its flexible yet strong composite structure and excellent insulation properties.
Do fiberglass pools increase property value?
Yes.
- A professionally installed pool can increase home resale value by 5–10%, particularly when integrated with quality hardscaping and outdoor living areas.
How do fiberglass pools compare to concrete or vinyl pools?
Fiberglass pools install faster, require less maintenance, and are more energy-efficient than concrete or vinyl.
- They cost less long-term because they never need resurfacing or liner replacements.
What warranties come with a fiberglass pool?
Rainforest Pools include lifetime structural warranty and 15 years on the surface finish, covering shell integrity and gelcoat protection.
What is the first step in the process to find out if a Rainforest fiberglass pool is the right choice for me?
Fill out the form below and your local dealer will follow up with you ASAP
Ready to Dive In?
Ready to Design Your Plunge Pool Oasis?
Bring resort-style relaxation home with a custom fiberglass plunge pool from Rainforest Pools. Our American-made shells are delivered installation-ready, sized perfectly for compact spaces, and backed by a lifetime structural warranty.
Get your free design consultation today — we’ll connect you with a trusted local installer, review backyard options, and help you choose the ideal model, color, and layout for your property.
Helpful links and resources
Complete walkthrough from planning to finishing touches
Cost breakdowns and financial planning
Comparison of materials: installation, maintenance, durability
Explores ways to personalize your pool—integrated features, finishes, decking styles, and how each choice impacts look and function.
Covers key advantages like smooth, non-porous surfaces, durability, and long-term low maintenance.
Insights on how fiberglass pools withstand elements over time and what makes them a lasting backyard investment.
Practical troubleshooting for common issues and how to address them
In-depth comparisons between Rainforest models and alternatives—ideal for narrowing down choices.
Top arguments in favor of fiberglass over concrete pools