Key Takeaways on Best Swim Spas
- Stream 13 (Sundance®): 13′ compact model perfect for small Boston backyards, therapeutic focus, and family relaxation.
- Stream 17 (Sundance®): 17′ family-friendly option balancing fitness and comfort with dual lounges and swim bar.
- Surf 17 (Sundance®): 17′ serious swimmer’s choice with dual pumps and extra-wide swim lane for competitive training.
- AquaTrainer 14 AX (Hydropool): 14′ daily workout partner featuring self-cleaning technology and consistent resistance.
- Executive Sport 16 EX (Hydropool): 16′ versatile performer combining training and therapy with SwimBoost pump system.
- Executive Trainer 19 EX (Hydropool): 19′ elite training system with V-Twin jets for Olympic-level current strength.
- DualStream 19 DTAX (Hydropool): 19′ ultimate wellness system with separate temperature zones for exercise and relaxation.
Massachusetts and Rhode Island homeowners are discovering the secret to year-round fitness and relaxation: the swim spa. Imagine having your own private aquatic gym, recovery center, and family entertainment hub – all in a space smaller than most suburban decks.
If you’ve been frustrated by Boston’s short pool season, cramped gym schedules, or the impossibility of fitting a traditional pool in your Brookline backyard, you’re not alone. The solution isn’t choosing between fitness and relaxation – it’s finding the right swim spa that delivers both.
Whether you’re a Back Bay professional seeking stress relief, a Newton family wanting year-round fun, or a Cambridge fitness enthusiast needing consistent training space, the right swim spa transforms your backyard into a wellness sanctuary that works through every New England season.

Why Swim Spas Are Perfect for New England Living
New England’s unique challenges – from harsh winters to limited space backyards – make swim spas an ideal solution for homeowners seeking aquatic fitness and relaxation.
Space Efficiency That Makes Sense
Traditional pools require 15′ x 30′ minimum space plus extensive decking. Most swim spas deliver comparable exercise benefits in just 8′ x 14′ – perfect for urban and suburban lots where every square foot counts.
Weather-Resistant Design
Unlike seasonal pools that can sit unused for up to 6-8 months yearly, quality swim spas operate efficiently even when temperatures drop below freezing. They’re designed with energy efficiency in mind, with advanced insulation systems and efficient heating
Understanding Swim Spa Technology
Modern swim spas aren’t just “long hot tubs” – they’re sophisticated aquatic fitness systems designed for serious exercise and therapeutic recovery.
Current Generation Systems: Multiple high-volume pumps create smooth, adjustable current for swimming in place, with variable speed control from gentle walking pace to competitive swimming intensity.
Dual-Zone Capabilities: Premium models feature separate temperature controls for exercise and relaxation areas. Maintain 78-82°F in the swim lane for comfortable exercise, all while keeping the spa section at 100-104°F for therapeutic soaking.
Advanced Filtration: Systems like Hydropool’s self-cleaning technology and MicroClean® filtration used in Sundance® Swim Spas help to maintain water quality with minimal chemical intervention – crucial for daily use.

7 Top-Performing Swim Spas for New England Backyards
Each model below has been selected based on performance in New England conditions, space efficiency, and proven reliability for Boston-area homeowners.
1. Sundance® Stream 13: The Compact Wellness Solution
Dimensions: 13′ x 7′ x 4.5′ | Best For: Small backyards, therapeutic focus, family relaxation
The Stream 13 maximizes functionality in minimal space. Dual Fluidix® hydromassage lounges provide targeted therapy, while the swim area accommodates water walking, gentle swimming, and resistance exercises.
Key Features:
- MicroClean® Ultra filtration requires minimal maintenance
- Shallow seating perfect for children or elderly users
- SmartTub® compatibility for remote monitoring
Ideal For: Arlington, Brighton, and Brookline backyards with limited space , or anyone prioritizing therapy over intense training.
2. Sundance® Stream 17: The Family Fitness Hub
Dimensions: 17′ x 7.5′ x 4.5′ | Best For: Multi-generational families, balanced fitness and relaxation
The Stream 17 adds swim space without sacrificing comfort features. The wider swim lane accommodates longer strokes while maintaining the dual lounge design that makes Sundance® Swim Spas famous.
Key Features:
- Stainless steel swim bar for resistance training
- Floor mats for aqua aerobics and stretching
- Dual hydromassage lounges with customizable jets
Ideal For: Newton and Warwick families wanting both exercise and entertainment options.
3. Sundance® Surf 17: The Serious Swimmer’s Choice
Dimensions: 17′ x 8′ x 4.5′ | Best For: Competitive training, serious fitness enthusiasts
The Surf 17 features Sundance® Swim Spas most powerful swim system with dual ultra-high-volume pumps creating current suitable for competitive training. The extra-wide swim lane provides room for proper stroke technique.
Key Features:
- Two independent swim pumps for maximum current strength
- Variable speed control from 0.5 to 6+ mph
- Professional-grade current distribution system
Ideal For: Triathletes, competitive swimmers, or serious fitness enthusiasts in Wellesley or Lexington.
4. Hydropool AquaTrainer 14 AX: The Daily Workout Partner
Dimensions: 14′ x 7′ x 4′ | Best For: Consistent daily exercise, solo training
Hydropool’s AquaTrainer focuses on exercise efficiency with their signature self-cleaning system reducing maintenance to just 15 minutes monthly. The variable-speed jet system provides consistent, adjustable resistance.
Key Features:
- Self-cleaning technology with 100% water turnover every 45 minutes
- V-Twin jet propulsion system for smooth current
- Energy-efficient design reduces operating costs
Ideal For: Busy professionals in Greater Boston seeking consistent, low-maintenance fitness.
5. Hydropool Executive Sport 16 EX: The Versatile Performer
Dimensions: 16′ x 8′ x 4.5′ | Best For: Mixed training and therapy, group use
The Executive Sport 16 EX bridges serious training and family fun with increased volume and Hydropool’s SwimBoost pump system. Core-stream jets provide targeted resistance for strength training.
Key Features:
- SwimBoost pump creates wider, deeper current
- Core-stream jets for resistance training
- Self-cleaning system handles higher bather loads
Ideal For: Active families in Needham or Natick wanting both training and entertainment capabilities.
6. Hydropool Executive Trainer 19 EX: The Elite Training System
Dimensions: 19′ x 8′ x 4.5′ | Best For: Competitive training, elite fitness goals
The Executive Trainer 19 EX represents Hydropool’s most advanced swim system. The patented V-Twin jet configuration creates current suitable for Olympic-level training while maintaining the self-cleaning convenience.
Key Features:
- Patented V-Twin jet system for maximum current strength
- 19-foot swim lane accommodates full stroke development
- Advanced filtration handles intensive daily use
Ideal For: Serious athletes in Weston or Dover with space for a premium training facility.
7. Hydropool DualStream 19 DTAX: The Ultimate Wellness System
Dimensions: 19′ x 8′ x 4.5′ | Best For: Complete wellness solution, luxury installations
The DualStream 19 DTAX features separate temperature zones – a cool swim area and hot therapy section. This dual-zone design eliminates compromise between exercise and relaxation.
Key Features:
- Independent temperature control for each zone
- Separate lounge area with hot tub-style seating
- Premium finishes and luxury appointments
Ideal For: Luxury homes in Concord or Lincoln where budget allows for the ultimate backyard wellness center.
Choosing the Right Model for Your Needs
Space and Usage Guide
Urban/Compact Lots (under 1,000 sq ft): Stream 13, AquaTrainer 14 AX
Suburban Backyards (1,000-2,500 sq ft): Stream 17, Executive Sport 16 EX
Large Properties (2,500+ sq ft): Executive Trainer 19 EX, DualStream 19 DTAX
By Primary Use
Therapy-Focused: Stream 13, Stream 17
Fitness-Focused: Surf 17, AquaTrainer 14 AX, Executive Trainer 19 EX
Family Entertainment: Stream 17, Executive Sport 16 EX
Complete Wellness: DualStream 19 DTAX
Installation Requirements for Massachusetts Homes
Space Requirements
Most models require the unit dimensions plus 3-4 feet clearance on all sides for service access. A 14′ swim spa needs approximately 20′ x 14′ total space including clearances.
Electrical and Foundation Needs
All swim spas require 220V electrical service with GFCI protection. Most models need 50-60 amp service – often requiring electrical panel upgrades in older Boston homes. Swim spas also require level, concrete foundations capable of supporting 15,000-25,000 pounds when filled.
Health and Wellness Benefits
Physical Health Improvements
Cardiovascular Fitness: Water resistance provides excellent cardio workout with joint protection
Strength Training: Current resistance builds muscle without impact stress
Pain Management: Hydrotherapy reduces arthritis pain and speeds injury recovery
Flexibility: Warm water therapy improves range of motion and reduces stiffness
Mental Health Benefits
Stress Reduction: Regular aquatic exercise reduces cortisol levels
Sleep Quality: Evening hydrotherapy sessions improve sleep patterns
Social Connection: Family swim time strengthens relationships
Routine Building: Home fitness eliminates gym scheduling barriers

FAQs
How much space do I need for a swim spa installation?
Most models require the unit dimensions plus 3-4 feet clearance on all sides for service access. A 14′ swim spa needs approximately 20′ x 14′ total space including clearances.
Can swim spas really be used year-round in Massachusetts?
Yes, with proper installation and quality covers. Modern swim spas are designed for New England winters.
What’s the difference between Hydropool and Sundance® Swim Spas?
Hydropool Swim Spas focus on powerful propulsion systems and self-cleaning technology, ideal for serious swimmers. Sundance® Swim Spas emphasize hydrotherapy and comfort features, better for therapeutic use and family enjoyment.
Do I need special permits for swim spa installation?
Swim Spas require electrical permits for all installations. We highly recommend Brian Bradley Electrical for Massachusetts installations. Brian Bradley Electrical is our preferred electrician because their team has extensive experience with these products, and deep expertise with the electrical permitting process.
Some municipalities also require building permits. You will need to confirm with your municipality if a building permit is required.
How long does installation typically take?
Delivery and set up can be done in one day, (not including site preparation and electrical connection).
Transform Your Backyard Into a Year-Round Wellness Center
A quality swim spa isn’t just a backyard addition – it’s an investment in your family’s health, fitness, and quality of life. Whether you’re seeking pain relief, fitness goals, or simply a better way to enjoy your outdoor space, the right swim spa delivers results that last for decades.
With New England’s harsh winters and busy schedules, having your own aquatic fitness center eliminates the barriers that keep most people from consistent exercise and stress relief. No more crowded gyms, no more seasonal limitations, no more choosing between fitness and relaxation.
Ready to explore how a swim spa can transform your backyard? Contact New England Spas today to schedule your free consultation and wet-test experience. Our factory-trained specialists will help you choose the perfect model for your space, goals, and budget.
Visit our showrooms in Natick or Warwick, or make an appointment to try multiple models in our Westborough Operations Center and experience these incredible swim spas firsthand. Your personal wellness retreat is closer than you think.
New England Spas has been helping New England families create backyard wellness centers since 1978. Our comprehensive service includes design consultation, professional installation, and ongoing support – ensuring your investment provides decades of reliable performance.



