Master Spas

What Master Spas does

Master Spas is a privately held U.S. manufacturer of hot tubs, swim spas, and cold tubs, founded in 1996 and headquartered in a 614,000-square-foot, 45-acre manufacturing campus in Fort Wayne, Indiana. The company produces 100% of its products domestically and sells through a network of more than 300 independent dealers and contract service centers spanning the U.S., Canada, and Europe. Its portfolio spans five hot tub lines (Legend/Michael Phelps Legend, Twilight, Clarity, Getaway, LH Series), two swim spa lines (Michael Phelps Signature Swim Spas and H2X Fitness Swim Spas), the Michael Phelps Chilly GOAT cold tub line introduced in 2023, and distributed saunas.

Name

Master Spas

Legal name

MasterSpas, LLC

Website

https://masterspas.com

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

101–250 employees

Short description

Master Spas is a privately held U.S. manufacturer of hot tubs, swim spas, and cold tubs, founded in 1996 in Fort Wayne, Indiana, producing 100% domestically and selling through 300+ dealers across the U.S., Canada, and Europe to residential wellness, fitness, and luxury outdoor living consumers.

Ownership category

akta.pro rank

Product category

Hot Tubs and Swim Spas

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Hot/Cold Contrast Therapy (Hot Tubs, Plunge Pools & Hydrotherapy) (HSADAKAD)

akta.pro secondary industry

Medical Spas (Medi-Spas) (HSALAFAB)

Keywords

• Hot tub manufacturing
• Swim spa manufacturing
• Hydrotherapy products
• Portable spa design
• Wellness spa equipment

Headquarters

HQ city

Fort Wayne

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure, Technology or R&D

Revenue model

1. Hot Tub Sales: Direct sales of manufactured hot tubs through dealer network. Products built in USA using domestic and imported components. Multiple product lines including Legend Series, Twilight Series, Clarity Spas, Getaway Spas, and LH Series.
2. Swim Spa Sales: Sales of swim spas including Michael Phelps Signature Swim Spas and H2X Fitness Swim Spas. World's largest swim spa manufacturer with proprietary propulsion technology.
3. Cold Tub Sales: Sales of cold tubs including Michael Phelps Chilly GOAT Cold Tubs introduced in 2023.
4. Sauna Distribution: Distribution of high-quality saunas to complement wellness journey.
5. Master Clear Salt System Accessories: Physical unit sold separately with companion app. App provided free but hardware generates additional revenue.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels8 records

Core offering

Master Spas designs, manufactures, and distributes hot tubs, swim spas, and cold tubs through a network of more than 300 independent dealers across the U.S., Canada, and Europe. The company produces 100% of its products domestically at a 614,000-square-foot manufacturing facility in Fort Wayne, Indiana, featuring proprietary technologies such as EcoPur Charge filtration, Wave Technology propulsion, and Master Force Bio-Magnetic Therapy. Its product portfolio includes the Legend Series, Twilight Series, Clarity Spas, Getaway Spas, LH Series hot tubs, Michael Phelps Signature Swim Spas, H2X Fitness Swim Spas, and Michael Phelps Chilly GOAT Cold Tubs.

Product overview

Master Spas is a spa manufacturer offering a diversified portfolio of wellness products including hot tubs (Legend Series, Twilight Series, Clarity Spas, Getaway Spas, and LH Series), swim spas (Michael Phelps Signature Swim Spas and H2X Fitness Swim Spas), cold tubs (Michael Phelps Chilly GOAT), and distributed saunas. The company also produces proprietary add-on systems including the EcoPur Charge Filtration System, Master Clear Salt System, Master Force Bio-Magnetic Therapy System, and Axis Cover System. Products are manufactured domestically in Fort Wayne, Indiana using the Master Crafted manufacturing process and sold through a global dealer network.

Differentiator

Problem solved

Functional benefit

Brands

• Michael Phelps Signature Swim Spas: Premium swim spa line designed with input from 23-time Olympic gold medalist Michael Phelps and his coach Bob Bowman.
• H2X Swim Spas
• Michael Phelps Legend Series
• Twilight Series
• Clarity Spas
• Getaway Spas
• LH Series
• Michael Phelps Chilly GOAT

Products and services

• Michael Phelps Legend Series Hot Tubs Premium luxury hot tub line featuring hydrotherapy massage, adjustable jets, Master Blaster Foot Therapy, and Orion Light System. Designed for residential wellness consumers seeking high-end relaxation and recovery.
• Twilight Series Hot Tubs Luxurious hot tub series designed for discriminating tastes, featuring contoured loungers, powerful jets, and sophisticated design.
• Clarity Spas Stylish, modern hot tubs offering a contemporary approach to relaxation and wellness with clean design aesthetics.
• Getaway Spas Portable, plug-and-play budget-conscious hot tubs providing quality, value, and easy ownership experience for entry-level consumers.
• LH Series Hot Tubs

Quantifiable outcome

• 100% domestic manufacturing ensures quality control
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability2 records

Feature8 records

Partnerships

13 partnerships are on record, tiered minor, flagship and core.

• SomerledminorGTM or Marketing Partner · 1 January 2025Short-term rental design and strategy firm established strategic partnership with Master Spas for STR designs. Somerled completed 615 STR designs across 295 cities in all 50 states in 2025.
• Aly RaismanminorGTM or Marketing Partner · 1 January 2019World champion gymnast became MasterSpas brand ambassador in 2019.
• Ben Hoffman and Mirinda CarfraeminorGTM or Marketing Partner · 1 January 2019Pro triathletes partnered with MasterSpas for H2X Challenger Series launch. Both athletes use swim spas for training and recovery.
• IRONMANflagshipStrategic or Co-development Partner · 1 January 2017MasterSpas named Official Swim Spa of IRONMAN World Championship in Kona. Partnership provides visibility at premier triathlon event and validates swim spa fitness capabilities.
• Michael Phelps FoundationflagshipStrategic or Co-development Partner · 1 January 2010Partnership with Olympic champion Michael Phelps to design and promote the Michael Phelps Signature Swim Spa line. Phelps provides input on product design with coach Bob Bowman. Also includes Michael Phelps Chilly GOAT cold tubs introduced in 2023. Foundation programs promote healthy active lives through swimming.
• NAZ Children's CentrecoreStrategic or Co-development Partner · 1 January 2010Started NAZ Project in 2010 to fund elementary school building in Jamaica. Continued support funded mixed-ability high school on same campus. Also created scholarship fund for students. Supported building of NAZ elementary school in 2013.
• Lupus Foundation of AmericacoreGTM or Marketing PartnerLong-time supporter of the Lupus Foundation of America. Founder Bob Lauter has actively worked to raise both awareness and funding for lupus research and support programs.
• St. Jude Children's Research HospitalcoreGTM or Marketing PartnerMasterSpas Cares program supports St. Jude Children's Research Hospital. Summer of St. Jude campaign raised over $310,000 in 2025. Dealership fundraising efforts exceeded original goal of $250,000.
• Michael J. Fox FoundationminorGTM or Marketing PartnerDedicated to finding a cure for Parkinson's disease and ensuring development of improved therapies for those affected.
• Tunnel to Towers FoundationminorGTM or Marketing PartnerFoundation helps families of fallen service members and first responders by providing mortgage-free housing and building custom-designed smart homes for catastrophically injured veterans.
• Vera Bradley FoundationminorGTM or Marketing PartnerDriving force in fight against breast cancer, funding research to find a cure and improve therapies for difficult-to-treat types of breast cancer.
• Indiana Hot Tub AssociationminorOthersMember of IHTA. Bob Lauter served as President of IHTA in 2011. Association represents pool and spa professionals in Indiana.
• NAZ Children's CentreminorOthersMasterSpas also supports local Fort Wayne youth through The Crossing and internship program for high school graduates and college students.

Scale indicators10 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Sundance Spas: Established US hot tub brand with dealer distribution and a focus on hydrotherapy benefits. Comparable to Master Spas across the residential wellness consumer segment and mid-to-premium price points.
• Beachcomber Hot Tubs: Canadian hot tub manufacturer with dealer network across North America. Competes with Master Spas in residential hydrotherapy category with comparable energy-efficiency certifications and dealer-led GTM.
• Jacuzzi Inc. Iconic US hot tub and spa manufacturer with comparable product lines, dealer distribution, and hydrotherapy technology. Directly competes with Master Spas across price tiers in the residential wellness category.
• Caldera Spas (Watkins Wellness): Watkins Wellness' premium hot tub brand targeting the same wellness and hydrotherapy segment as Master Spas' Legend and Twilight Series. Competes for the same dealer partners and consumer dollars.
• Bullfrog Spas: US-based hot tub manufacturer known for its proprietary JetPak therapy system, sold through a dealer network. Directly comparable in product strategy, dealer-led GTM, and premium spa positioning.
• Hot Spring Spas (Watkins Wellness): One of the largest US hot tub brands under Watkins Wellness, also using dealer distribution. Directly comparable in product category, premium positioning, and ENERGY STAR / efficiency certification focus.
• Hydropool: Canadian manufacturer of hot tubs and swim spas with both dealer distribution and direct channels. Comparable to Master Spas on swim spa manufacturing, North American footprint, and wellness positioning.
• Viking Spas: US-based hot tub and swim spa manufacturer with dealer distribution. Directly comparable product portfolio including swim spas and premium hot tubs targeting residential wellness buyers.
• Endless Pools: Pioneer of swim-in-place current technology for swim spas and fitness pools. Directly competes with Master Spas' H2X and Michael Phelps Signature Swim Spa lines on swim training and aquatic fitness use cases.
• Dimension One Spas: Premium US hot tub manufacturer using dealer distribution and ultrasonic filtration technology. Directly competes in the premium hydrotherapy segment served by Master Spas' Legend and LH Series.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/MasterSpas
• YouTubeyoutube.com/user/MasterSpas
• Facebookfacebook.com/MasterSpas
• Instagraminstagram.com/masterspas
• Pinterestpinterest.com/masterspas
• TikToktiktok.com/@masterspasofficial
• LinkedInlinkedin.com/company/master-spas-inc-

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Master Spas