Indulge in a treatment, no membership needed.
Our treatments and spa packages are open to the public. No membership is required to book. Choose from ESPA treatments*, Spa & Dine packages, or Swim & Dine experiences, all designed to help you switch off, unwind, and relax.

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.
For the ultimate spa escape, discover our luxury spa packages. Whether you opt for Spa & Dine or Swim & Dine, enjoy a relaxing escape designed to help you recharge and reconnect.
Spa treatments can be booked by both members and non-members. Access to the pool, cold plunge and sauna is only included with Firefly membership, a Silverlake holiday stay, or the purchase of a spa package.
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 the local Dorset community and Silverlake homeowners, 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.
Spa treatments can be booked by both members and non-members. Access to the pool, cold plunge and sauna is only included with Firefly membership, a Silverlake holiday stay, or the purchase of a spa package.

Ultimate relaxation
Luxury Spa Days
Escape to Firefly, Dorset's newest lakeside spa, for a luxury spa day designed to help you relax, recharge and reconnect.
Our Spa & Dine packages combine bespoke ESPA treatments, thermal spa experiences, wild swimming and exceptional dining at The Firefly Restaurant.
Our Swim & Dine packages include access to our spa facilities, giving you time to swim, unwind and enjoy a delicious meal at The Firefly Restaurant.
Please note: everyone is welcome to book a spa package at The Firefly Spa, no membership is required.



The ultimate gift
Firefly Gift Vouchers
Treat someone you love to the gift of relaxation and exceptional dining with a Firefly Spa & Restaurant Gift Voucher. Available in denominations from £50 to £200, vouchers can be purchased online and redeemed against luxury ESPA treatments, spa packages and dining at The Firefly Restaurant.


Take the plunge
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.
Access to the pool, cold plunge and sauna is available to Firefly members, Silverlake holiday guests and guests booking a spa package. Silverlake holiday guests are required to book spa access using the link provided by their booking agent.

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.

Everyone is welcome to book a treatment at The Firefly Spa. Please note that treatment bookings do not include access to the pool, sauna or cold plunge. These facilities are available exclusively to Firefly members, Silverlake holiday guests and guests booking a spa package. No membership is required to book a spa package.
All 2026 stays booked through the Silverlake Estate website include Firefly Spa access for the duration of your stay, included in the booking fee*. Spa access can be included in 2027 stays for a small, optional fee. *Terms and conditions apply
