Adding Spas to Custom Pools: The Ultimate Upgrade for Relaxation

adding spas to custom pools

Imagine stepping into your backyard after a long day and sinking into warm, bubbling water that melts your stress away. Now, imagine having that same spa seamlessly built into your pool. That’s the magic of adding spas to custom pools—it transforms your pool from a place to swim into a complete wellness and relaxation retreat.

Whether you want hydrotherapy benefits, luxury appeal, or year-round enjoyment, integrating a spa with your pool is the ultimate upgrade. Let’s dive into the benefits, design ideas, costs, and how Rhino Pool Pros can make it happen for your Houston home. If you’re exploring all your options, our Complete Guide to Custom Pool Construction walks you through every step, from design to dive.

Why Homeowners Are Adding Spas to Custom Pools

Adding a spa isn’t just about indulgence—it’s about creating a more versatile, functional, and valuable outdoor living space. Here’s why more homeowners are choosing this upgrade:

  • Year-Round Use – While your pool may only be in use during warmer months, a spa can be enjoyed all year long, especially in Houston’s mild winters.

  • Wellness Benefits – Hydrotherapy relieves muscle tension, improves circulation, and supports relaxation.

  • Luxury Appeal – A spa instantly elevates your pool’s aesthetics, making your backyard feel like a resort.

  • Property Value – Pool-spa combinations increase curb appeal and market value compared to pools alone.

For inspiration on combining style with function, check out our post on Modern Pool Designs.

Choosing the Right Spa Design for Your Pool

When considering how to design a pool that includes a spa, integration is key. The spa should complement—not compete with—your pool. Here are popular design options:

  • Attached Spas – Built seamlessly into one side of the pool with matching materials and finishes.

  • Spillover Spas – Elevated spas where water cascades into the pool, creating a soothing waterfall effect.

  • Integrated Bench Spas – Spas built within the pool’s edge, doubling as a seating and hydrotherapy area.

  • Detached Spas – Built near the pool but separate, ideal for larger backyards where flexibility is possible.

Want to maximize your yard’s layout? Our guide on How to Design a Pool for Small Yards explores strategies for tight spaces.

Materials That Enhance Spa and Pool Integration

When adding spas to custom pools, material choice is crucial for aesthetics, comfort, and durability.

  • Tile & Coping – Provides seamless visual flow between spa and pool.

  • Concrete Finishes – Offers flexibility for custom shapes and seating.

  • Fiberglass Inserts – Quick installation and smooth textures. (See Fiberglass vs Concrete Pools for pros and cons.)

  • Stone Veneers – Adds natural beauty, especially for spillover spas.

For more insight, see our post on the best swimming pool materials for the Texas climate to ensure your spa performs well in Houston weather.

adding spas to custom pools

Features That Make Spas Truly Luxurious

Beyond the basics, adding custom features to your spa can transform it into a five-star experience:

  • Therapeutic Jets – Adjustable pressure settings for hydrotherapy.

  • LED Mood Lighting – Creates ambiance for nighttime use.

  • Heated Seating – Keeps water warm and inviting even in cooler months.

  • Smart Controls – Remote systems allow you to heat or adjust jets before stepping outside.

  • Waterfalls or Spillovers – Adds a tranquil, resort-style touch.

These features tie seamlessly into other upgrades like pool deck resurfacing and outdoor kitchens to create a complete backyard paradise.

Cost of Adding a Spa to a Custom Pool

The cost of adding spas to custom pools depends on size, design complexity, and chosen features. On average in Houston:

  • Basic Attached Spa: $10,000–$15,000

  • Luxury Spillover Spa with Custom Features: $15,000–$25,000+

  • Detached Spa: Often higher due to separate plumbing and systems

To better understand your budget, visit our guide on the cost of building a pool in Houston, which also applies to add-ons like spas.

Permits and Construction Timeline

Just like pools, spas require proper permitting in Houston. Factors such as electrical wiring, plumbing, and safety barriers are part of the approval process. Working with experts ensures compliance.

Learn more in our detailed post on pool construction permits in Houston.

As for your timeline, integrating a spa usually adds 2–4 weeks to your overall pool construction timeline, depending on complexity.

Why Rhino Pool Pros Is the Best Choice

At Rhino Pool Pros, we specialize in custom designs that maximize beauty, comfort, and functionality. Here’s why Houston homeowners trust us:

  • Custom Tailoring – Every spa is designed to match your pool and lifestyle.

  • Expert Material Guidance – We help you select the best finishes for beauty and durability.

  • Full-Service Team – From design and permitting to installation, we handle every detail.

  • Proven Results – Our portfolio includes stunning pools and spas across Houston.

👉 Ready to upgrade your pool with a spa? Contact Rhino Pool Pros today for a free design consultation.

❓ FAQs on Adding Spas to Custom Pools

Adding a spa creates year-round enjoyment, therapeutic benefits, and luxury appeal. It also increases property value by upgrading your outdoor living space.

Costs range from $10,000 to $25,000+ depending on design, size, and features. Attached spas are more affordable, while detached or luxury options are higher.

Yes, many Houston homeowners upgrade their existing pools with spas. While it requires additional plumbing and construction, it’s a worthwhile long-term investment.

Features like LED lighting, hydrotherapy jets, heated seating, and smart controls can transform a simple spa into a high-end relaxation retreat.

Yes, permits are required for spa installation to ensure safety and compliance. Rhino Pool Pros manages all permitting to streamline your project.