Use code: FIREFLY25 to save 25%* on selected treatments between 1st and 16th August. Click here to book.
Welcome to
The Firefly Spa
With a heated outdoor pool, refreshing cold plunge, soothing sauna and private treatment pods, The Firefly Spa has been thoughtfully designed to promote rest and rejuvenation.
In partnership with ESPA, guests can indulge in a collection of expertly crafted treatments that use specialist techniques and luxurious products.
Spa treatments can be booked by both members and non-members. Treatment bookings do not include access to the pool, cold plunge or sauna, which are available exclusively as part of a Firefly Membership.
Secure your membership
Drift and unwind
Spa memberships
Offering a unique lakeside wellness experience, Firefly offers a number of membership options to suit different lifestyles.
Available to Silverlake homeowners and the wider Dorset community, memberships include access to the spa’s pool and facilities, with the addition of a dedicated gym, planned for completion in 2027.
Secure your membership
A moment of calm
Spa treatments
For those seeking deeper relaxation, The Firefly Spa offers a curated treatment menu in collaboration with our spa partner, ESPA. From soothing facials and restorative massages to indulgent body treatments and convenient express options, there is a treatment to suit every need.
Treatments are available to book now, with no membership required. Treatment bookings do not include access to the pool, cold plunge or sauna.
Lakeside relaxation
The pool
Discover the serenity of our 25-metre heated outdoor pool. Whether you're enjoying an invigorating swim, taking a moment to unwind or spending quality time with family, it's the perfect place to escape the demands of daily life.
As a Firefly member, you'll enjoy access to the pool with dedicated morning and evening swim sessions, making it easy to incorporate into your daily routine.
Space to breathe
Cold plunge and sauna
Designed to invigorate both body and mind, our unique cold plunge and sauna combine comforting warmth and refreshing immersion. Whether you are looking to enhance your wellbeing routine or simply enjoy a moment of relaxation, this restorative ritual is a truly memorable experience.
Installed by our partners, NOKKEN and positioned to overlook the beauty of Firefly Lake, these facilities provide a peaceful setting to unwind.
coming soon
The Firefly gym
Coming in 2027, the Firefly Gym will be a contemporary fitness space with state-of-the-art facilities, becoming the perfect complement to your wellness experience.
*Terms and conditions apply. 25% discount on eligible treatments at Firefly between Saturday 1st and Sunday 16th August 2026. Excludes 30-minute treatments.
Please note: everyone is welcome to book a treatment at The Firefly Spa. Treatment bookings do not include access to the spa facilities, including the pool, sauna, cold plunge and lake activities, which are exclusively available to Firefly members.
Holiday rental bookings made directly with Silverlake include Firefly Spa access, included in their booking fee.
Spa packages including swim and dine options are coming soon.