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A Small 3-4 Person Hot Tub

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About the Serenity 4300

The Serenity 4300 is ideal for those looking for a small luxury hot tub that offers all the features of a large hot tub. This hot tub fits well in areas where space is limited, yet still offers enough room to comfortably seat up to four people. This rectangular hot tub is ideal for smaller patios, yards and decks.

Financing for 12 months available with approved credit.

Features of the Serenity 4300

ClearSpring Filtration System

The Serenity Hot Tubs’ three-stage filtration system ensures cleaner and clearer water. It includes an Ultra Flow Grill with a Catch Barrier, a skimmer net, and a high-efficiency microfiber filter cartridge. Enjoy the easiest and most effective water maintenance for optimal spa performance.

Polymer Insultation Floor

Created with the purpose of retaining heat and blocking out any external factors, the insulated floor effectively seals in the ambient heat generated by the pumps.

Unibody Frame

The most robust frame on the market, meticulously designed to support the weight of the water while adapting to the temperature fluctuations experienced during both summer and winter seasons.

Edgewater Shell

Constructed akin to a boat’s hull, this exceptionally waterproof structure combines polyester and vinyl ester resin with fiberglass, resulting in a fortified shell of unparalleled strength, setting new standards within the industry.

WeatherSeal Insulation System

Through the synergy of our pioneering HydroWise Thermal Shield Energy Efficient Insulation and top-notch WeatherSeal Cabinetry, in conjunction with our HydroWise Hard Cover. These hot tubs are engineered to be the most energy-efficient globally, maintaining a soothing temperature of 100ºF / 37ºC for mere pennies per day.

Lighting & Waterfall Options

The Collection presents superior lighting and exterior Moonlights, 2 Aqua Blade Waterfalls, exquisite maintenance-free cabinetry, and a weather seal insulation system. Each model includes non-slip padding, ensuring secure and effortless spa entry and exit.

Wellness Programs and Zone Therapy

Introducing Zone Therapy, a personalized usage map for your hot tub, promoting overall well-being. Our Signature models come with a wellness guide featuring eight hydrotherapy programs, including stress-relief options like Leg Pain, Back Pain, Sports Recovery, Headache, and Insomnia – known as “The Science of Immersion.”

Optional Features

iCommand System App

The Smart Phone App that is designed as a wireless hot tub control which allows you to pick the water care settings that fits your schedule, adjust filtration and temperature settings and create the ideal hot tub experience from inside your home.

PureWater System

The PureWater System stands as the world’s most effective water purification system, employing a combination of UV and Ozone Water treatments to eradicate a remarkable 99% of all contaminants.

The Serenity Collection

Explore the Serenity Collection from Hydropool Hot Tubs. This collection can be seen at our showroom in Massachusetts.


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*Although the intention is to capture current incentives and prices as of the date of publication, pricing is subject to change without notice, and may not be accurate or completely current. While every reasonable effort is made to ensure the accuracy of this data, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with a sales representative. Information provided at this site does not constitute an offer or guarantee of available prices or financing. The estimated selling price that appears after calculating dealer offers is for informational purposes only. You may not qualify for the offers, incentives, discounts, or financing. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. Contact St. Cyr Pool and Spa to see if you qualify and for complete details of current offers. All product illustrations, prices and specifications are based upon current information at the time of programming. Although descriptions are believed correct, complete accuracy cannot be guaranteed. We reserve the right to make changes at any time, without notice or obligation, in the information contained on this site including and without limitation to prices, incentive programs, specifications, equipment, colors, materials, and to change or discontinue models. Images, pricing and options shown are examples, only, and may not reflect exact model color, options, pricing or other specifications.

Price may not include dealer installation options, accessories, administration fees and other dealer charges. Please contact St. Cyr Pool and Spa for more information.