Coast Spas
Cascade II Overflow Spa
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"It's not just a hot tub - it's a showpiece"
The Cascade II by Coast Spas® breaks multiple barriers, starting with the one blocking your view! The infinity edge design incorporates a “zero water displacement” feature with an ample reserve tank and integrated measuring gauge so your water surface always remains at the same level.
The infinity edge also includes the world's largest skimmer, ensuring a clean and debris free experience. The Hydro Cyclonic Filtration System® and the Self-Cleaning Sweeper Jet™ ensures your water is crystal clear in no time! The raised rear wall features a 24” waterfall, the largest available in any residential hot tub.
Specification -
- Dimensions: 233.7 x 256.5 x 79cm - 119.5cm at the back
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Water Capacity (approx.): 1817 Litres
- Dry Weight (approx.): 670kg
- Seats: 6-7 Adults
- Power Supply: 32 Amp
- Pumps: 3 x 5hp SuperFlow pumps
- Heater: 3kW Heater
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Control System: Balboa with XL Touchscreen Control
- Filtration: 175 SqFt Hydro Cyclonic Filtration®
- Ozone System: Yes - O3One Ozone + Crystal Clear Purfication Chamber® + EcoClean UV
- Insulation: Foam Core Insulation and Protective Ground-Shield Barrier
- Cabinet: Synthetic Cabinet
Key Features -
Raised Curve Back - The raised curve back offers wind protection and privacy while positioning a 24" waterfall to cascade over your shoulders, providing a soothing, blanket-like experience.
Refresh Button - Refresh your Spa water in minutes with just one button! The exterior Refresh Button starts a quick clean cycle, keeping your Spa pristine before or after each use.
Coast Status - Know the status of your Coast Spas Hot Tub at a glance. The ring around your Coast Spas emblem glows blue to show you that everything is running as it should, green for a new message and red if there is an item that requires your attention.
Coast Connect™ Universal Fitting - The Coast Connect Universal Fitting, built into your spa floor, allows easy attachment of Coast Connect Accessories. When not in use, it functions as a color-changing underwater light and a soothing foot massage jet, with a dedicated valve for adjustable water flow control.
Worldwide Spa Remote - Connect your spa to Wi-Fi and control lights, jets, filtration, and temperature remotely using the Coast Spas Remote Spa Control App—available on Google Play and the Apple App Store.
Hydro Cylonic Filtration - Coast Spas’ exclusive Hydro Cyclonic Filtration® is 83% faster and 20% more efficient than standard systems, keeping water crystal clear with low maintenance, no exposed filters, and superior debris capture for cleaner, longer-lasting performance.
24" Waterfall - Coast Spas® transforms waterfalls from ambiance to immersion with their exclusive, fully lit 24" fusion waterfall—adjustable for a gentle flow or powerful cascade, delivering unmatched relaxation and tranquility.
AquaSole™ Foot Massage Jet - The AquaSole™ Massage Jets, located in the footwell or floor, deliver a soothing massage from toes to heels. Combined with the powerful Volcano Jet, they offer adjustable, contrasting hydrotherapy for tired feet using an easy water diversion controller. Simply press your feet against these jets and let the gentle swirling water action work all the areas of your feet.
ChromaZone™ Lighting Package - With Coast Spas’ Chromazone™ system, chromatherapy reaches an entirely new level of personalisation and impact. Choose from eight default colour options drawn from a palette of millions, and tailor your lighting to match your mood or setting. Even better, you can assign different colours to individual zones, allowing your controls, waterfall, and interior lights to harmonise or contrast as you wish. Whether you're looking to align your energy for relaxation and wellness, or create the perfect ambiance for an evening of entertaining, Chromazone™ lets you set the tone effortlessly.
O3One Ozone + Crystal Clear Purification Chamber® + EcoClean UV - The O3One Ozone, combined with the Crystal Clear Purification Chamber®, extends the active life of ozone, allowing it more time to break down contaminants and greatly improve cleaning efficiency. This advanced system is further enhanced by the EcoClean™ UV Sterilizer, which uses a precisely calibrated ultraviolet light spectrum to eliminate 99.9% of all bacteria exposed to it. UV sterilization technology, trusted for decades in drinking water purification, now brings its powerful sterilization capabilities to your spa water. Together, the O3One Ozone, EcoClean™ UV, and the Crystal Clear Purification Chamber® deliver an exceptionally effective and reliable water purification system.
Self- Cleaning Sweeper Jet™ - Coast Spas’ Self-Cleaning Sweeper Jet removes gritty debris from the spa floor by lifting particles into circulation during filtration, keeping your spa clean without extra equipment or manual effort.
What's included with the Cascade II?
- Insulated Safety Cover - Lockable and weather resistant
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Chemical Starter Kit - Includes essential water care products to get you started
- Warranty - Shell, Structure and components covered (see warranty section for details)*
- Expert Support - Backed by over 27 years of spa industry knowledge and UK based aftercare
*Terms apply
Warranty
The Cascade II comes with a comprehensive warranty, ensuring peace of mind with your purchase.
- Lifetime Shell Structure*
- Up to 4 Years Equipment & Plumbing*
*Terms apply
Delivery & Installation
Please note that prices exclude delivery and installation.
Delivery and installations costs can vary depending on your location and access requirements. Please contact us for further information.







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Hydro Cyclonic Filtration®
Coast Spas’ exclusive Hydro Cyclonic Filtration® is 83% faster and 20% more efficient than standard systems, keeping water crystal clear with low maintenance, no exposed filters, and superior debris capture for cleaner, longer-lasting performance.
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Patented Infinity Edge Technology and Design
Coast Spas’ infinity edge removes visual barriers as water flows gently over the edge, eliminating debris. A reserve tank ensures zero water displacement and a consistent level for a cleaner, more relaxing experience.
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CoastShield™
Coast Shield™ is a two-component polyurethane developed as an environmentally friendly alternative to polyester resins and FRP, offering enhanced durability and safer manufacturing without compromising performance or reliability.
FAQs
How is it installed?
All our spas and swim spas are delivered ready for connection. A typical installation involves placing the unit on a solid, level base, connecting it to the appropriate electrical supply, and filling it with water. We recommend using a qualified electrician for the electrical connection to ensure safe and compliant setup.
What is the power requirement?
The power requirement varies on the model chosen. Some spas are Plug & Play, while others require a hardwired connection. Check the specification on your chosen model or contact us for guidance.
Do you offer delivery and installation?
Yes! We offer delivery and installation across the UK. If there’s a Catalina dealer in your area, they’ll be able to assist directly.
Can you carry out a site survey?
Yes, we can arrange a site survey. This helps ensure access, base preparation, and electrical requirements are suitable for installation. Contact us to book in your site survey