What are the opening hours?

Monday 10am - 6pm Tuesday 10am - 5pm Wednesday 10am - 5pm Thursday 10am - 6pm Friday 10am - 6pm Saturday 10am - 4pm Sunday 11am - 4pm

Great Bay Spa & Sauna

Name: Great Bay Spa & Sauna
Address: 1850 Woodbury Avenue, Portsmouth, NH, 03801, US
Telephone: +16034368893
Price range: $$

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Great Bay Spa & Sauna

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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Great Bay Spa & Sauna, Swimming pool & hot tub service, 1850 Woodbury Avenue, Portsmouth, NH.

11/04/2026

Step inside. Feel the heat. See the price. 🔥

Save up to $2,000 on saunas in store (up to $1,500 online) during our Season of Comfort Sale. Your own place to unwind all winter long.

Shop the sale through Nov. 9: https://www.greatbayspas.com/sales/season-of-comfort-sale/

11/02/2026

Sit in it. Feel the jets. See the price. ♨️

During the Season of Comfort Sale, save up to $5,000 on hot tubs in store (up to $4,000 online). Cold nights are coming, so find your spot to warm up.

Shop the sale before it ends Nov. 9: https://www.greatbayspas.com/sales/season-of-comfort-sale/

10/31/2026

Take your swimming and wellness routine to the next level with the Hydropool AquaSport 14AX. 🏊‍♀️ With a 53-inch-deep swim tank, adjustable swim current, and four hydrotherapy seats with Zone Therapy, it's built for both serious workouts and total relaxation.

Swim at your own pace, recover with targeted hydrotherapy, and enjoy your swim spa year-round.

Discover the AquaSport 14AX at Great Bay Spa & Sauna.

10/29/2026

❄️ THE SEASON OF COMFORT SALE IS ON! ❄️
Now through November 9, save big in store at Great Bay Spa & Sauna:
♨️ Up to $5,000 OFF hot tubs
🏊 Up to $10,000 OFF swim spas
🔥 Up to $2,000 OFF saunas

You have to see the savings to believe it. Visit us in Portsmouth or South Portland, or shop online: [LINK]

10/28/2026

Your backyard deserves more than just a spa. Complete your outdoor space with furniture that makes it easier to relax, gather, and enjoy every moment outside.

Discover outdoor furniture at Great Bay Spa & Sauna.

10/26/2026

Keep your spa’s filtration system working as it should with the Sundance® 6473-165 80 ft² filter.

Designed for 2009+ Sundance® 880 Series spas, this is the outer filter portion; the inner portion is sold separately.

10/25/2026

As the temperatures drop, there’s nothing better than stepping into warm, soothing water.

Make this fall the season you slow down, relax, and enjoy more time in your hot tub. ♨️

10/24/2026

Explore Great Bay’s best-selling saunas.

Turn your home into a personal wellness retreat. From the Hallmark HM44 to the SUN-3i, explore Great Bay Spa & Sauna’s best-selling saunas and find the right fit for your space.

10/21/2026

Your hot tub deserves more than a quick cleanup. 💦 Regular water care helps keep your spa clean, fresh, and ready whenever you need to unwind.

From water testing and filters to maintenance products and professional service, Great Bay Spa & Sauna has the resources to help keep your spa in top shape.

Stay ahead of maintenance and enjoy more time soaking.

Address

1850 Woodbury Avenue
Portsmouth, NH
03801

Opening Hours

Monday	10am - 6pm
Tuesday	10am - 5pm
Wednesday	10am - 5pm
Thursday	10am - 6pm
Friday	10am - 6pm
Saturday	10am - 4pm
Sunday	11am - 4pm

Telephone

+16034368893

Website

http://www.greatbayspas.com/

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