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The 12 Person Hot Tub, a Giant Among Spas

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If you’re looking for an extra-large hot tub that’s made to fit a whole lot of people, but aren’t necessarily sure you want to invest in an actual pool, there are a few alternative options. And no, that option is not the beach (though we certainly wish we could figure out how to simulate that).

That alternative? Swim spas.

If a hot tub and a swimming pool were mashed together and shaken up in a bag, a swim spa is what would fall out. A little bit of all the best parts, plus a lot of extra bonus features that aren’t necessarily available in a pool or a hot tub, all fit into a neat package that does a great job of fitting into both categories.

It’s important to note that in general, the only hot tub or spa you will find that is intended to comfortably seat twelve people is a swim spa. The reasons for this are many, but it boils down to science and plumbing.

We’ve gathered everything you need to know about 12-person hot tubs so you can see it all in one place.


12 Person Hot Tub Dimensions


First, let’s talk about dimensions. In most cases, a small swim spa can start out around eight feet wide and twelve to twenty-one feet long. You’ll notice that it’s significantly bigger than the average large-size spa, and smaller than the average small-size pool. In many ways, a swim spa is a transitionary option for people who are looking to buy something between the two.

The Bullfrog Spas Swim Series S150 Model is a great example of this transition. It acts as both pool and spa, but at twelve feet long, can be fit into a relatively small yard that might not otherwise be able to hold an actual pool. It has 12 available seats, with several premium JetPak seats as well as bench seating along the sides. The S200 model is an even larger swim spa at 17 feet long. It technically has fewer seats, but if you plan on swimming or just hanging out, it could fit even more people.


How Many Gallons in a 12 Person Spa?

The average 12-person hot tub is going to most likely be a swim spa that is around 12 feet long and eight feet wide, which would leave it holding somewhere in the ballpark of 1,260 gallons of water. You’ll want to keep that in mind when considering your options for chemicals and filtration systems.


How Much Does a Twelve-Person Hot Tub Weigh?

Weight is a key factor if you are considering putting the spa on a deck or other structure that’s not necessarily solid ground. Regardless of the size of the hot tub you choose, you should always check with a structural engineer when placing a large feature somewhere that is not specifically built for that feature. Especially when it comes to hot tubs. The combined weight of the spa, filled with water, and then human bodies can become significant and safety should always be considered.

The dry weight of a swim spa is likely to be around 2,000 lbs., and filled weight is closer to 13,000 lbs. Don’t forget to add in the weight of the people!


12 Person Spa Layouts

This is tricky, because every swim spa is different. They’re generally designed rectangularly to allow for space for one person to swim against a potential current. This means there is likely to be bench seating along the sides, and possibly jet seating in the corners or on the ends. There is also the potential to get a model with lounge seating, as well as other options. (Zero-Gravity Hammock anyone?)


12 Person Hot Tub Prices

Because this size of spa is basically a mini-pool, the price is going to be significantly higher than your typical spa. It’s possible to get a swim spa that starts around $12,000-18,000, but most new models end up somewhere between $20,000-$40,000+. Remember to check the reliability, features, and functionality of the brand you’re considering because when you’re making an investment of this magnitude, the small details can make the biggest difference in whether you are happy with your purchase or not.


Twelve-Person Bullfrog Spas Models




Build endurance and strength with preset or customizable fitness programs and space for any number of low-impact, water-based workouts. Swim, play games, or splash around on the splash pad. Workout, play, or relax away tension. Enjoy the numerous therapy options available with the patented JetPak Therapy System™, the attractive aesthetics, functional layout, and legendary Bullfrog Spas quality and reliability for an upgraded backyard experience you’re certain to love.


Reviews for 12 Person Swim Spas


“We were in the market for a Swim Spa for our family of 4 and were underwhelmed with the models available from other companies, we felt they look dated and were not suitable for a leisure use. The Bullfrog Spas S150 came within 2 weeks of us ordering it! We have been loving everything about it. It’s perfect for hanging out and the jets are great!! It has a modern, sleek look that fits nicely into our yard. Customer service from Bullfrog has been amazing and fast. I highly recommend!” – Sheri N.


“A wonderful experience!! From relaxing to playing and exercising, we enjoy all aspects. The grandchildren love the play space. Using the swim jets to move them around. Jumping, diving, expelling energy. The JetPak areas are well designed to give a unique experience in every station. AND we LOVE the hammock!!!” – Pete J.


“I love my Bullfrog Swim Spa. Admittedly I am not the best of swimmers and yet within 5 minutes of swimming in this swim spa I found my rhythm and stayed in the middle of the spa without issue. The harness also works well to keep me from going too fast. Lots of seating for friends and family and the kids love all the water features.” – Mark M.


Design Your Own Spa

Purchasing a hot tub isn’t just an investment; it’s a lifestyle change that will benefit your entire family. Only you can decide if a spa is a good investment for you. Use our online Design Studio tool to select your model, JetPaks, and accessories. Once you’re done, you’ll receive an instant price quote.


AUTHOR - Bullfrog Spas

Bullfrog Spas is a premier brand of personalized premium hot tubs. With proprietary hydromassage technology and an eye for contemporary design, Bullfrog Spas is revolutionizing the concept of the portable hot tub and providing a relaxation experience unlike any other. Discover the award winning spa of the future today.

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