BOOK NOWENQUIRE NOW

Si! Spa at The Waterside

OPEN FEBRUARY 17, 2026!

A water’s edge haven that offers an extensive range of treatments featuring ESPA and ishga products, renowned for their holistic benefits and natural ingredients.

Guests will be able to unwind in our sauna, steam room, and relaxation space, as well as enjoy a stunning outdoor hydro pool with views over the Firth of Clyde, providing a tranquil escape from everyday life.

Whether you are seeking a rejuvenating spa day or a peaceful retreat, our new seafront spa will offer a perfect blend of luxury and natural splendour, making it an idyllic destination for wellness and relaxation.

Treatments

View the range of treatments at the new Si! Spa

Choose your ideal treatment in the expert hands of our experienced therapists. Guided by your personal needs, treatments make use of nature’s most powerful and effective oils, coupled with the latest, innovative techniques. Allow your body to feel fully rebalanced and restored. All treatments will include full use of our spa facilities at The Waterside.

Day Spa

BE THE FIRST TO EXPERIENCE THE BRAND NEW Si! SPA

Relax, unwind and indulge yourself at Si! Spa by enjoying one of our luxurious day spa packages. Every package includes full use of our beach front spa facilities, a range of treatments and dining options including breakfast, afternoon tea and light bites.

Spa Breaks

View the range of Spa Breaks at the new Si! Spa

For a little extra indulgence, why not enjoy an overnight spa break at The Waterside. Stay in luxury accommodation, enjoy full use of our spa facilities and choose from a range of relaxing treatments. Why not add on dinner in restaurant within the hotel to complete your package.

Si! Spa Thermal Experience

From ÂŁ40 per person

Our Thermal Experience includes the use of plush robes and towels, along with full access to Si! Spa’s facilities. Enjoy a relaxing two-hour Thermal Experience featuring a sauna, steam room, experience showers and a tranquil relaxation space.

With a strong connection to the outdoors, guests can unwind while taking in sweeping views across the Firth of Clyde from the outdoor hydro pool, outdoor experience showers and sheltered fire-pit area — offering a peaceful escape from everyday life.

Enhance your visit by adding breakfast, afternoon tea or a light bite in our Si! Spa Lounge, or simply sit back and enjoy a cocktail from the bar.

Available Monday to Thursday from ÂŁ40pp, and Friday to Sunday from ÂŁ45pp.

Artist Impressions of the New Seafront Spa at The Waterside

All images are for illustrative purposes.

SPA MENUS

Tasty dishes and refreshing drinks at Si! Spa

Click on the links below to view some of the Si! Spa menus and drinks list, specially created for you during your time with us at Si! Spa at The Gailes. Choose from the tasty breakfast menu or light bite menu available through the day, or the drinks list with cocktails, champagne & sparkling, wine and soft drinks.

Join Our Spa Mailing List

Get the latest updates about the new Si! Spa at The Waterside, a stunning retreat along the seafront.

Spa Enquiry

If you have any enquiries related to Si! Spa at The Waterside, please fill in this form and a member of our team will get back to you as soon as possible.

    Your Name (required)

    Your Email (required)

    Telephone (required)

    Enquiry Type

    General Spa EnquiryTreatmentsOther

    Your Spa Enquiry

    We use Mailchimp as our marketing platform. By clicking below, you acknowledge that your information will be transferred to Mailchimp for processing. Learn more about Mailchimp's privacy practices.