Jericoacoara White 23-foot fiberglass pool with built-in spa

Built-in Spa Fiberglass Pool Collection

Sophisticated fiberglass pools featuring built-in spa zones, sleek designs and engineered strength.

Explore Models

Modern fiberglass pools featuring built-in spa comfort, FRP engineering and reinforced structural strength.

  • Consistent Spa-Ready Depth

    Even, comfortable water level designed for soaking, relaxation and everyday enjoyment.

  • Silky Spa-Grade Finish

    High-performance gel surface crafted for comfort, elegance and enduring beauty.

  • Seamless Pool-to-Spa Connection

    Integrated contours sculpted to unify modern, classic and luxury landscapes.

  • Full-Width Spa Entry Steps

    Wide, gracious steps offering inviting access and an elevated spa-side arrival.

  • Hydrotherapy-Inspired Seating

    Models with spa seating, massage-ready areas and calming relaxation zones.

Explore the models in the Built-in Spa Fiberglass Pools Collection

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Models
  • Size Range:

    23' options

  • Options:

  • White

    Crisp. Clean. Enduring.

    white pool
  • Light Blue

    Refreshing. Pure. Timeless.

    blue pool

Why Choose the Built-in Spa Collection?

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  • You Value Luxury That Enhances Living

    Integrated spa zones crafted for true relaxation and meaningful wellness time.

  • You Prioritize Elevated Craftsmanship

    Expertly molded fiberglass built to deliver refined performance and lasting comfort.

  • You Believe in Modern, Elegant Design

    Clean forms and sculpted lines that bring sophistication to any outdoor space.

  • You Prefer a Silky, Spa-Ready Finish

    Smooth gel coating that feels luxurious and maintains stunning clarity.

Jericoacoara 23-foot fiberglass pool with Built-in Spa
15-Year Structural Manufacturer’s Warranty

Strength you can trust. Protection you deserve.

ICC-ES Accredited

Accredited quality. Assured performance.

Sustainability: Built to Protect the Planet

CO₂ Emissions Comparison

7.290 Kg

223 Kg

Concrete Pool

Fiberglass Pool

32x Less CO₂ Emissions than traditional concrete pools.

  • High-Quality Spa Materials

    Durable structure and finish minimize replacements and extend long-term value.

  • Quick, Efficient Installation

    Precision-formed shells reduce site waste and streamline the installation process.

  • Built for Lasting Relaxation

    Crafted to endure for decades, reducing material waste throughout its lifespan.

  • Smooth, Hygienic Surface

    Sealed gel finish resists buildup naturally, requiring fewer cleaning chemicals.

  • Energy-Smart Heating

    Integrated spa zones warm quickly, helping lower overall energy consumption.

Built-in Spa Designs in Real Spaces

Media Inspiration
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Jericoacoara - 23-foot fiberglass pool with Built-in Spa-min
Jericoacoara Blue 23-foot fiberglass pool with built-in spa 01

Frequently Asked Questions

  • What is a fiberglass pool with a built-in spa?

    A fiberglass pool with a built-in spa combines the luxury of a pool with the tranquillity of a spa, seamlessly integrating both into a single fiberglass pool structure.

  • What sets your Built-in Spa fiberglass pools apart from others on the market?

    Our pools stand out aesthetically with their modern and luxurious rectangular design, beautiful light blue or white shell colour options, and innovative built-in spa with corresponding entry/exit steps.

  • How do your Built-in Spa fiberglass pools compare to concrete and vinyl pools?

    Our rectangular fiberglass pools outperform concrete and vinyl liner pools in several ways. They offer faster installation, high durability, and low maintenance. The smooth, non-porous surface resists algae growth, while the flexibility of fiberglass prevents cracks and leaks. Although the upfront cost falls between concrete and vinyl pools, the long-term cost benefits make fiberglass pools a more cost-effective choice. Overall, our rectangular fiberglass pools combine convenience, durability, and customization, making them an excellent option for enthusiasts.

  • What is the most popular Built-in Spa fiberglass pool collection?

    Based on extensive research conducted by PENTARM POOLS, the 23-foot by 11-foot fiberglass pool with a built-in spa is the most sought-after and well-balanced option. This size offers homeowners a perfect combination of ample swim space and the relaxing ambiance of a spa.

  • How are fiberglass pools with built-in spas installed?

    Installation is similar to standard fiberglass pool installation, with an additional focus on integrating the spa component. It involves excavation, placing the pool shell, backfilling, and specific attention to the spa section. The spa is carefully positioned and connected to the pool, ensuring proper alignment and seamless integration. The plumbing and electrical systems are also installed to ensure the spa functions effectively. PENTARM POOLS’ experienced pool installers ensure that both the pool and spa components are properly installed, providing you with a beautiful and functional fiberglass pool with a built-in spa.

  • Are the fiberglass pools with built-in spas easy to maintain?

    Absolutely! Our fiberglass pools with built-in spas offer ease of maintenance, thanks to their integrated sanitation systems and durable gelcoat surfaces. These surfaces resist algae and staining, simplifying the cleaning process.

  • How long do fiberglass pools with built-in spas last?

    With proper maintenance, fiberglass pools with built-in spas can last over 30-40 years.

  • Can a fiberglass pool with a built-in spa be heated?

    Absolutely! A fiberglass pool with a built-in spa can be heated using pool heaters or heat pumps. This ensures optimal water temperature for greater comfort, allowing you to enjoy the pool and spa experience for longer.

  • What is the cost of a fiberglass pool with a built-in spa?

    The cost of a fiberglass pool with a built-in spa varies based on factors such as size, shape, and additional features. Your PENTARM POOLS authorized dealer can provide you with the accurate cost for your project.

  • How long does it take to install a fiberglass pool with a built-in spa?

    The installation time of a fiberglass pool with a built-in spa varies depending on factors such as site conditions, pool size, and complexity. On average, the installation process typically takes less than a week to ensure a meticulous and seamless setup.

  • Are fiberglass pools with built-in spas safe for children?

    When installed correctly, regularly maintained, and equipped with suitable safety measures, fiberglass pools with built-in spas offer an excellent experience for children. It is strongly advised to ensure children are supervised at all times when participating in any pool-related activities.

  • Are your pools compliant with safety standards?

    Yes, all our pool models are designed to meet ICC standards, ensuring the highest level of safety for our customers.

  • What warranty is offered on the Classic fiberglass pool with built-in spa?

    We offer a 15-year structural manufacturer’s warranty from the date of installation. For more detailed information regarding warranties, please contact your authorized PENTARM POOLS installer.

  • What is the best way to clean a fiberglass pool with a built-in spa?

    For general cleaning of a fiberglass pool with a built-in spa, we recommend using a pool cleaner or a brush to remove debris and algae. Regularly testing and balancing the water chemistry is also important. For specific instructions tailored to your project, we suggest contacting your PENTARM POOLS installer or pool service company. You may also review our use and care manual.

  • What are the benefits of the smooth gel coat used in your fiberglass pools?

    The smooth gel coat not only enhances the aesthetic appeal of our pools but also provides a pleasant-to-touch surface that is durable and low-maintenance. It resists the growth of algae and prevents staining, ensuring your pool maintains its beauty over time.