{Re}Treat Skin Care & Massage
Portsmouth, NH
Great Bay Spa & Sauna
4.8(158 reviews)Updated: 09/03/2026
Overview
Still thinking about adding a sauna to your wellness routine? 🔥 You still have time to save during Great Bay Spa & Sauna’s End-of-Summer Sale. Save up to $2,000 OFF select saunas, plus receive a free bucket & ladle with qualifying models. The sale ends August 23, so stop by Great Bay Spa & Sauna before these savings are gone.
Treatments / Services Offered
Brands
Map
Is this your clinic?
Claim this free profile to update your info, add photos and your full service menu, and respond to patient inquiries.
Claim this profileFree · Takes about a minute
Practice notes
Amenities
Wheelchair accessible entrance
Wheelchair accessible parking lot
Onsite services
Sauna
Infrared Saunas
Custom Saunas
Sauna Financing
Custom Sauna Controls
Custom Sauna Heaters
Traditional Saunas
Spa Valet
Payment
Checks
Credit cards
Debit cards
NFC mobile payments
FAQs
What treatments does Great Bay Spa & Sauna offer?
Great Bay Spa & Sauna offers 3 services: Dermal Filler, Laser Treatments, Skin Treatment. Brands offered include Botox. See the full list in the treatments section on this page.
How is Great Bay Spa & Sauna rated?
Great Bay Spa & Sauna has a 4.8 star rating based on 158 patient reviews.
Where is Great Bay Spa & Sauna located?
Great Bay Spa & Sauna is located at 1850 Woodbury Ave, Portsmouth, NH 03801. See the hours of operation on this page before you visit.
Other clinics in Portsmouth
Seacoast Dermatology
Portsmouth, NH
★★★★★4.8 (1,367)
Northeast Dermatology Associates
Portsmouth, NH
★★★★★4.8 (1,188)