Deep Swim Spa: The Ultimate Guide to Extra-Deep Swimming Pool Alternatives

Key Takeaways

  • Deep swim spas offer 60-72 inches of water depth compared to standard 48-inch models, creating superior buoyancy for swimming and therapeutic exercise
  • These innovative systems combine the benefits of a swimming pool, hot tub, and fitness center in one compact unit perfect for year-round aquatic exercise
  • Leading brands like Sundance Spas, Master Spas, and Michael Phelps Signature deliver premium deep swim spa options with advanced jet technology and dual-zone capabilities
  • Installation costs range from $25,000 to $65,000 with lower ongoing maintenance compared to traditional pools, requiring only 8-12 weeks versus 6+ months for conventional pool construction
  • Deep swim spas provide low impact workout opportunities while offering therapeutic benefits including improved circulation, muscle aches relief, and stress reduction

What is a Deep Swim Spa

A deep swim spa represents the perfect spa solution for those seeking enhanced aquatic wellness at their own home. Unlike standard swim spa models that typically measure 48 inches deep, these specialized units offer water depths ranging from 60 to 72 inches, creating an entirely different swimming and therapy experience.

The generous swim area in deep models typically spans 12 to 21 feet in length with 7 to 8-foot widths, providing ample space for swimming, aquatic exercise, and family fun. What sets these units apart is their dual-zone capabilities, combining a dedicated swimming area with a separate hot tub section that can maintain different temperatures for optimal comfort.

The increased water capacity in these deeper models—often 400-500 gallons more than standard units—creates enhanced buoyancy that transforms how your body moves through the water. This additional depth allows for proper stroke development, underwater turns, and natural swimming postures that simply aren’t possible in shallower models.

Modern deep swim spas feature sophisticated circulation pump systems and strategically placed magnets for bio magnetic therapy system benefits. The comfort floor system provides a stable, slip-resistant surface while maintaining the appearance and functionality needed for serious aquatic training.

Benefits of Deep Swim Spas for Fitness and Recreation

The enhanced depth of these premium spas creates unique advantages that benefit fitness enthusiasts and casual users alike. The improved buoyancy reduces joint stress while providing increased resistance for more effective workouts, making them ideal for rowing and strength training exercises.

Enhanced Swimming Experience

The deeper water allows for complete swim strokes without touching the bottom, creating a more natural swimming experience. Fitness system water exercise becomes more effective when you can maintain proper body position throughout your routine. The additional depth also accommodates underwater dolphin kicks and flip turns, essential elements for competitive swimmers.

The air injected flow stream technology in these units creates powerful, adjustable currents that challenge swimmers of all skill levels. Whether you’re performing preset intervals or enjoying a leisurely swim, the consistent water flow provides the resistance needed for an effective workout.

Therapeutic and Wellness Benefits

Deep swim spas offer remarkable therapeutic advantages through their sophisticated hydrotherapy systems. The combination of depth and strategically placed adjustable massage jets creates targeted relief for muscle aches and tension. The shoulder seat relieve tension design allows you to easily rest while receiving therapeutic treatment.

The bio magnetic therapy system, featuring strategically placed magnets, works to boost nervous system responses and improve circulation. This unique combination of depth, temperature, and magnetic therapy helps relieve inflammation while promoting overall wellness. Many users find that regular sessions help them achieve peace and stress relief in their daily lives.

Water resistance training provides a low impact workout that’s gentler on joints than traditional exercise equipment. The buoyancy supports your body weight while the water resistance challenges your muscles, creating an ideal environment for rehabilitation and fitness maintenance.

Top Deep Swim Spa Models in 2026

The deep swim spa market offers several exceptional options from leading manufacturers, each bringing unique innovations and features designed to enhance your aquatic wellness experience.

Sundance Surf Models

Sundance Spas continues to set the standard for premium aquatic wellness with their innovative Surf series. These models feature the company’s signature Fluidix jet system and SmartTub technology for seamless control and monitoring. The Surf series emphasizes the grounded wellness approach that Sundance is known for, combining effortless tranquility with nature-inspired luxury.

The Sundance Surf models incorporate advanced water features and superior sound quality through integrated sound system technology. Users enjoy water resistant speakers that deliver crystal-clear audio while exercising or relaxing. The fusion air sound system maximizes sound quality while maintaining the peaceful ambiance these spas are designed to create.

Sundance Stream Models

The Stream series from Sundance offers a more fitness-focused approach while maintaining the brand’s commitment to inviting and human design principles. These models feature enhanced circulation systems and specialized jet configurations optimized for serious swimming and exercise.

Stream models include rowing bars and resistance tubing attachments, making them ideal for comprehensive fitness routines. The comfort floor system lifetime warranty ensures long-term durability and peace of mind for homeowners investing in their wellness journey.

Michael Phelps Signature Series

The MP Momentum Deep model stands as one of the largest swim spa options available, featuring dual-temperature zone capabilities that allow simultaneous use of swim and spa areas at different temperatures. The Wave Propulsion Pro technology creates an incredibly realistic swimming experience that has earned professional athlete endorsement.

These models feature stainless steel jets and advanced anti-turbulence design that creates a smooth, laminar flow perfect for serious training. The Challenger and Trainer series offer varying depths and features to accommodate different skill levels and space requirements.

Master Spas continues to innovate with their Therapool D series, featuring the H2Xercise fitness system and 60-inch depth capacity. These units incorporate the quietflo water care system to maintain spa water clean naturally while minimizing maintenance requirements.

Essential Features to Consider

When selecting a deep swim spa, several key features will significantly impact your long-term satisfaction and the effectiveness of your aquatic wellness routine.

Advanced Jet Technology

The heart of any quality deep swim spa lies in its jet system technology. Wave Propulsion Pro systems and traditional pump-driven designs each offer distinct advantages for different users and applications.

Propeller-driven systems create broader, more consistent currents ideal for swimming, while air injected flow stream technology provides targeted massage and therapy benefits. The best swim spa models feature adjustable speed controls allowing you to vary stressrelief neck and shoulder massage intensity based on your specific needs.

Modern jets feature stainless steel construction for durability and corrosion resistance. The neck and shoulder seat design incorporates specialized jets positioned to target high tension area relief effectively. These shoulder seat configurations allow users to easily rest while receiving therapeutic treatment.

Water Care and Filtration

Advanced filtration systems ensure your spa water remains clean and healthy without harsh chemicals. UV-C sanitization technology provides an additional layer of purification, working alongside traditional filtration to maintain optimal water quality.

The quietflo water care system represents one of the most effective approaches to maintaining crystal-clear water. These systems use a combination of filtration technologies to purify water while reducing chemical requirements and maintenance time.

Automated chemical dosing systems help maintain proper water balance with minimal effort. Many premium models feature smartphone integration that monitors water quality and alerts you when adjustments are needed.

Control Systems and Smart Technology

Modern deep swim spas feature sophisticated control systems that manage temperature controls, jet functions, and lighting waterline features. Many models include preset intervals for automated workout routines and therapeutic sessions.

The best units offer smartphone app integration allowing you to monitor and adjust your spa remotely. This technology enables you to heat your spa before arriving home and adjust settings for optimal comfort.

Smart systems can also track usage patterns and provide maintenance reminders, ensuring your investment continues to provide optimal performance throughout its lifetime.

 Extra-Deep Swimming Pool Alternatives

Installation and Setup Requirements

Installing a deep swim spa requires careful planning and preparation to ensure optimal performance and longevity. The process typically takes 8-12 weeks from order to completion, significantly faster than traditional pool construction.

Foundation and Electrical Requirements

Deep swim spas require a level, stable foundation capable of supporting significant weight—often 15,000-20,000 pounds when filled. Concrete pads represent the most common solution, though some installations utilize reinforced gravel bases with proper drainage.

Electrical requirements typically include 220V/240V service with 50-100 amp capacity, requiring professional installation and permits in most areas. Your local dealer answers questions about specific requirements for your area and can coordinate with qualified electricians and contractors.

Delivery and Access Considerations

The size of deep swim spas—often 12-21 feet long—requires adequate access for delivery. Plan for crane delivery if your installation site doesn’t allow direct truck access. Consider fence openings, overhead obstacles, and narrow passages that might complicate delivery.

Many manufacturers offer partial in-ground installation options that reduce visible height while maintaining full depth benefits. This approach often provides better integration with existing landscape design while ensuring compliance with local building codes.

Cost Analysis and Investment Considerations

Deep swim spas represent a significant investment that often provides better value than traditional pool construction. Understanding the complete cost picture helps ensure you make an informed decision that aligns with your budget and wellness goals.

Purchase and Installation Costs

Premium deep swim spas range from $25,000 to $65,000 depending on size, features, and brand selection. Sundance Spas and other premium manufacturers typically position their products at the higher end of this range, reflecting superior construction and advanced features.

Installation costs typically add $5,000-$15,000 to the total investment, including electrical work, foundation preparation, and delivery. The exact cost varies significantly based on site conditions and local labor rates.

Consider financing options available through manufacturers and dealers. Many offer attractive payment plans that make premium spas more accessible while spreading costs over several years.

Operating Expenses and Long-term Value

Annual operating costs typically range from $1,500-$3,500 including electricity, chemicals, and filter replacements. Energy-efficient models with quality insulation and covers can significantly reduce these expenses.

The comfort floor system lifetime warranty and other manufacturer guarantees protect your investment while providing peace of mind. Quality models often include comprehensive coverage for major components including pumps, heaters, and control systems.

Regular maintenance performed according to manufacturer guidelines ensures optimal performance and maximizes equipment lifespan. Professional service visits 1-2 times annually help identify potential issues before they become costly repairs.

Maintenance and Long-term Care

Proper maintenance ensures your deep swim spa continues providing excellent performance while protecting your investment. Establishing consistent care routines helps prevent problems while maintaining optimal water quality and equipment function.

Daily and Weekly Care

Monitor water temperature and chemical levels daily, adjusting as needed to maintain proper balance. The increased water capacity of deep models provides greater stability, making chemical management easier than with smaller hot tubs.

Clean the swim spa cover regularly to prevent debris accumulation and maintain energy efficiency. Quality covers include UV protection and insulation that significantly reduces operating costs while protecting water quality.

Test water chemistry weekly and adjust sanitizer, pH, and alkalinity levels as needed. Most users find that deeper models require less frequent chemical adjustments due to their larger water volume and enhanced dilution capacity.

Seasonal Care and Professional Service

Schedule professional service visits bi-annually to inspect equipment, clean internal components, and verify proper operation. Qualified technicians can identify potential issues early and perform preventive maintenance that extends equipment life.

In colder climates, proper winterization protects your investment during periods of non-use. Many owners choose to maintain their spas year-round, taking advantage of the calming retreat experience even during winter months.

Filter cleaning and replacement follow manufacturer schedules—typically every 3-4 months for cartridge filters and annually for more advanced systems. Proper filter maintenance ensures optimal water quality while protecting pump and heating equipment.

The axis cover system on premium models provides excellent insulation and security while facilitating easy access for regular maintenance. Quality covers represent essential equipment that significantly impacts operating efficiency and equipment protection.

FAQ

How deep should a swim spa be for serious swimming training? 

Most fitness-focused swimmers prefer 60-72 inch depths to allow for proper stroke mechanics and underwater dolphin kicks. The 66-inch depth offers the optimal balance for most users, providing sufficient depth for advanced techniques while remaining manageable for entry and exit.

Can you really swim laps in a deep swim spa effectively? 

Yes, the adjustable current resistance system creates an endless swimming experience with speeds ranging from 1-8 mph. This allows for everything from gentle water walking to competitive training pace, with the deeper water enabling proper stroke development and body position.

What’s the difference between a deep swim spa and a regular hot tub? 

Deep swim spas are significantly larger (12-21 feet long) with dedicated swimming areas and specialized current generation systems. Hot tubs are typically 6-8 feet wide and designed primarily for soaking and relaxation, lacking the space and jet configuration needed for effective swimming exercise.

Do deep swim spas require special electrical installation? 

Most deep swim spa models require 220V/240V electrical service with 50-100 amp capacity, which typically requires professional electrical work and permits. The exact requirements vary by model size and features, so consult with your local dealer for specific installation needs.

How much does it cost to operate a deep swim spa annually? 

Operating costs typically range from $1,500-$3,500 per year including electricity for heating and circulation, chemical treatments, and filter replacements. Actual costs vary significantly based on local utility rates, usage patterns, and climate conditions in your area.