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

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United States
Portsmouth, NH
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, Furniture shop, 1850 Woodbury Avenue, Portsmouth, NH.

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.

10/19/2026

⏰ LAST CHANCE! The Fair Frenzy Sale ends today!

This is it. Today is your final chance to take advantage of Fair Frenzy savings at Great Bay Spa & Sauna.

♨️ Save $10,000+ on select hot tub packages
🏊 Save up to $25,000 on select swim spa packages
🔥 Save thousands on Finnleo saunas
❄️ Save up to $2,700 on Kodiak Cold Plunges
💆 Save up to $2,800 on massage chairs

Don’t miss it. Stop by Great Bay Spa & Sauna or check out all the deals before the sale ends! https://www.greatbayspas.com/sales/fair-frenzy-sale/

10/18/2026

Turn your backyard into the ultimate family hangout with the Hydropool AquaPlay 13FFP. 💦 Designed for fun, fitness, hydrotherapy, and relaxation, this compact swim spa comfortably accommodates up to 8–9 people and features 32 hydrotherapy jets.

Whether you're swimming, playing, or simply unwinding, there's always a reason to jump in.

Make every season a swim season with Great Bay Spa & Sauna.

10/17/2026

🚨 FINAL WEEKEND TO SAVE! 🚨

The Fair Frenzy Sale is almost over, and this is your last weekend to shop the savings at Great Bay Spa & Sauna.

Save big on hot tubs, swim spas, Finnleo saunas, Kodiak Cold Plunges, massage chairs, and more. If you’ve been waiting to bring more relaxation home, don’t miss your chance!

Shop the Fair Frenzy Sale before it ends: https://www.greatbayspas.com/sales/fair-frenzy-sale/

10/16/2026

🎡 Fair Frenzy savings are still going strong!

There’s still time to take advantage of some of our biggest savings of the season at Great Bay Spa & Sauna.

♨️ Save $10,000+ on select hot tub packages
🏊 Save up to $25,000 on select swim spa packages
🔥 Save thousands on Finnleo saunas
❄️ Save up to $2,700 on Kodiak Cold Plunges
💆 Save up to $2,800 on massage chairs
💳 Plus, 0% APR financing for up to 72 months

Don’t wait until the last minute. Explore all the Fair Frenzy deals here: https://www.greatbayspas.com/sales/fair-frenzy-sale/

10/15/2026

Crisp air. Changing leaves. Warm water. 🍂♨️

Fall is the perfect time to step outside and enjoy your hot tub. As the temperatures drop, there’s nothing quite like sinking into warm, bubbling water while enjoying the beauty of the season.

Make your backyard the place to be all fall long with a hot tub from Great Bay Spa & Sauna.

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/

Alerts

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