We are delighted to announce the opening of Si! Spa at The Waterside Hotel & Spa, a stunning new ishga spa partner launching on 17th February 2026. Located in Ayrshire, this luxurious seafront spa offers a serene coastal sanctuary where relaxation, wellness and the healing power of nature come together. As a sister spa to Si! Spa at The Gailes Hotel & Spa, this new opening continues a shared vision of exceptional Scottish spa experiences rooted in quality, care and connection to place.
A luxury spa experience on the Ayrshire coast
Designed to reflect its breathtaking coastal setting, Si! Spa at The Waterside invites guests to slow down and reconnect. From the moment you arrive, the calming influence of the sea sets the tone for a deeply restorative experience. The spa features a carefully curated Thermal Experience, offering a sauna, steam room, experience showers and a tranquil relaxation space. The two-hour Thermal Experience is ideal for those seeking gentle detoxification, relaxation and a moment of true stillness.
Outdoor wellness with views across the Firth of Forth
With a strong connection to the outdoors, Si! Spa at The Waterside makes the most of its spectacular coastal location. Guests can unwind in the outdoor hydro pool, soaking in panoramic views across the Firth of Clyde. Additional features include outdoor experience showers and a sheltered fire-pit area, creating a peaceful, atmospheric space to relax in every season. This seamless blend of indoor and outdoor spa experiences offers a welcome escape from everyday life and enhances the sense of calm that defines this beautiful destination.
Bespoke spa breaks and overnight stays
Whether you’re looking for a rejuvenating spa day, a luxurious overnight spa break, or a longer coastal wellness retreat, Si! Spa at The Waterside offers a range of day spa packages and overnight stays to suit every guest. From solo self-care moments to shared spa experiences with friends or loved ones, this seafront spa is a perfect destination for rest, renewal and indulgence on the Scottish coast.
An ishga spa partnership connected by the sea
We're proud to see ishga’s organic, results-driven skincare featured within Si! Spa at The Waterside. Our treatments harness the power of Hebridean seaweed extract and the pure, clean waters of the Outer Hebrides, to nourish, hydrate and transform the skin. Together, we share a commitment to luxury, sustainability and meaningful wellbeing experiences, creating treatments that support healthy, glowing skin and deep relaxation.
