The Summit and Summit XL sit at the top of the Arctic Spas Custom series, share 60-jet hydrotherapy and the full options list, and are the two tubs our showroom visitors most often struggle to choose between. The honest difference is not quality — it is capacity, footprint and how your household actually uses a spa. Here is the tiebreaker.

TL;DR

  • Both are Custom-series flagships: 60 jets, premium pumps, full options including the salt water system.
  • Summit seats 7; Summit XL stretches the platform to 9 seats with more open interior volume.
  • The XL's larger footprint and water volume mean a bigger pad, heavier crane day and somewhat higher running input.
  • Regular soakers of 2-4 people rarely feel the XL's advantage; frequent entertainers and big families feel it every weekend.
  • Wet test both — seat fit at your height decides more than any spec line.

Shared DNA: What You Get Either Way

Choose either and you get the full Custom-series expression: 60 jets driven by the premium pump package, the cold-climate insulation architecture, heavy tapered cover, onboard connectivity and the factory salt water sanitizing option. Neither tub is a compromise; the XL is not 'the good one'. They are the same idea at two scales.

Capacity and Layout: 7 vs 9

The Summit's seven-seat layout mixes deep therapy seats with social bench space — big enough for a family plus guests, intimate enough that two people do not feel lost in it. The Summit XL adds two more places and meaningful elbow room; teenagers, tall soakers and stand-up cool-down space all benefit from the extra interior volume.

Ask the deciding question honestly: how many bodies are in the water on your busiest regular night — not your once-a-year party? If the answer is five or more with any frequency, the XL earns its footprint. If it is two to four, the Summit will feel fuller, warmer and more social.

Summit Summit XL
SeriesCustomCustom
Seats79
Jets6060
FootprintLargeExtra-large
Salt water optionYesYes
Best forFamilies of 3-5, tighter sitesBig households, frequent entertaining

Footprint, Siting and Delivery

The XL is one of the largest hot tubs Arctic Spas builds, and its size shows up before the first soak: a larger pad, more clearance for delivery, and more attention on crane day. The Summit fits more decks and tighter yards. If your site plan is already tight on paper, that is often the decision made for you — our delivery guide explains what to measure.

Running Costs and Water Care

More water volume means more litres to heat and treat, so the XL asks a little more of your electrical panel's patience and your water care routine — the gap is modest thanks to the shared insulation platform, but it is real and permanent. With the salt water system on either tub, weekly care stays simple at both scales.

Our Verdict

Buy the Summit if your regular soak is family-sized and your site or budget prefers the tighter footprint — it is the better fit for most households that shortlist the pair. Buy the Summit XL if crowds are your normal, space is generous, and you want the most social flagship on the platform. Both are filled and running in our showrooms; the wet test usually ends the debate in fifteen minutes.

New Brunswick Perspective

A New Brunswick note on winter: a bigger tub means a bigger cover to lift in the snow and a few more minutes of shovelling around the cabinet. Owners who soak alone most weeknights tell us the Summit's scale simply feels better in January — while camps and big households swear by the XL's room. Match the machine to your real week, not your best-case weekend.

Frequently Asked Questions

Scale. Both are Custom-series flagships with 60 jets and the full options list; the Summit seats 7 while the XL stretches to 9 seats with more interior volume, a larger footprint and slightly higher running input.
Not 'too big' — but most couples find the Summit (or even a mid-size model like the Yukon) more comfortable and economical for nightly use. The XL earns its size when groups are regular.
Yes — both are available with Arctic Spas' factory-integrated salt water sanitizing system, which we recommend on either.
The XL, modestly — more water volume to heat and treat. The shared insulation platform keeps the difference smaller than the size gap suggests; siting, cover condition and settings matter as much.
Yes — both flagships are on display at Poolboy, and wet tests can be arranged. Bring a suit; seat fit settles this comparison faster than any article.
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Our team in Fredericton and Moncton can answer your questions, show you the full Arctic Spas lineup, and help you find the right fit for your home.

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