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Swim spas with a hot tub side

Short answer

30 swim spas from 11 brands have a separate hot tub side, each with its own temperature; makers call them dual-zone or dual-temperature swim spas, or combos. 24 of them are 18 ft or longer. 11 have a published price, from $40,699 to $74,999.

Updated By the HotTubFinder research desk

Combos

30

11 brands

Shortest to longest

14′ to 21′ 5″

Median water

2,244 gal

Published prices

$40,699 to $74,999

11 of 30 models

Every swim spa we track with a divided hot tub zone is listed here, shortest first. 27 of them are 16 ft or longer and also appear on 16- to 21-foot swim spas. If you're deciding between one machine and two, hot tub vs swim spa sets them side by side.

Top view and side section of a dual-zone swim spa: a swim side in the low 80s °F, a divider, and a hot tub side at 100 to 104 °F, each with its own controls; the open swim length runs from the current to the divider
All 30 dual-temperature swim spas
Artesian Spas TidalFit DTL-6 from aboveArtesian Spas TidalFit DTL-614′5Price on requestJets2 swim pumps—2,05560 A2 circuits, 110 A
Artesian Spas TidalFit DTL-8 from aboveArtesian Spas TidalFit DTL-814′6Price on requestJets2 swim pumps—2,10060 A2 circuits, 120 A
Catalina Swim Spas Catalina 16' Dual Temp (C-630) from aboveCatalina Swim Spas Catalina 16' Dual Temp (C-630)15′ 9″4$40,699MSRPJets4 swim pumps—2,13060 A2 circuits, 110 A
Cal Spas Olympian F-1868DZ from aboveCal Spas Olympian F-1868DZ17′ 6″3Price on requestAir-injected jets3 swim pumps7′ 11″2,28560 A240 V
Catalina Swim Spas Marathon 18' Dual Temp (C-410) from aboveCatalina Swim Spas Marathon 18' Dual Temp (C-410)17′ 7″4$44,099MSRPJets4 swim pumps—2,45060 A2 circuits, 110 A
Catalina Swim Spas Catalina 18' Dual Temp (C-620) from aboveCatalina Swim Spas Catalina 18' Dual Temp (C-620)17′ 9″4$42,399MSRPJets3 swim pumps—2,35060 A2 circuits, 120 A
American Whirlpool DM8 from aboveAmerican Whirlpool DM818′ 2″5Price on requestJets—1,95050 A2 circuits, 80 A
Jacuzzi J-19DT PowerActive from aboveJacuzzi J-19DT PowerActive18′ 5″—Price on requestAir-injected jets9′ 5″1,86750 A2 circuits, 100 A
Jacuzzi J-19DT PowerPro from aboveJacuzzi J-19DT PowerPro18′ 5″—Price on requestAir-injected jets2 swim pumps9′ 5″1,86760 A2 circuits, 110 A
Dynasty Spas 19' Aquex Dual Pro Plus from aboveDynasty Spas 19' Aquex Dual Pro Plus18′ 8″—Price on requestAir-injected jets3 swim pumps—2,10060 A2 circuits, 120 A
Hydropool AquaSport 19DTAX from aboveHydropool AquaSport 19DTAX18′ 10″5Price on requestJets2 swim pumps10′ 4″2,20350 A2 circuits, 90 A
Hydropool AquaTrainer 19DTAX from aboveHydropool AquaTrainer 19DTAX18′ 10″5Price on requestJets3 swim pumps10′ 4″2,20360 A2 circuits, 100 A
PDC Spas SX219 from abovePDC Spas SX21918′ 11″5Price on requestJets3 swim pumps8′ 4″2,42550 A2 circuits, 100 A
PDC Spas SX219s from abovePDC Spas SX219s18′ 11″5Price on requestJets3 swim pumps9′ 10″2,52550 A2 circuits, 100 A
PDC Spas FX219 from abovePDC Spas FX21918′ 11″5Price on requestJets2 swim pumps8′ 4″2,42550 A2 circuits, 100 A
PDC Spas FX219s from abovePDC Spas FX219s18′ 11″5Price on requestJets2 swim pumps9′ 10″2,52550 A2 circuits, 100 A
PDC Spas TSX219 from abovePDC Spas TSX21918′ 11″5Price on requestPropeller1 swim pump8′ 6″2,52550 A2 circuits, 100 A
Artesian Spas TidalFit DT-19 from aboveArtesian Spas TidalFit DT-1919′ 3″5Price on requestJets2 swim pumps—2,01060 A2 circuits, 110 A
Master Spas MP Momentum D from aboveMaster Spas MP Momentum D19′ 3″5$54,499Reported price, Sep 2026Propeller1 swim pump—2,32550 A3 circuits, 130 A
Catalina Swim Spas Marathon 20' Dual Temp Inground (C-411) from aboveCatalina Swim Spas Marathon 20' Dual Temp Inground (C-411)19′ 8″4$45,799MSRPJets4 swim pumps—2,45060 A2 circuits, 110 A
Wellis Rio Grande W-Flow from aboveWellis Rio Grande W-Flow19′ 8″5$50,999MSRPW-Flow3 swim pumps10′ 4″1,74440 A2 circuits, 70 A
Catalina Swim Spas Catalina 20' Dual Temp Inground (C-621) from aboveCatalina Swim Spas Catalina 20' Dual Temp Inground (C-621)19′ 11″4Price on requestJets3 swim pumps—2,35060 A2 circuits, 120 A
Endless Pools E2000 from aboveEndless Pools E200020′5From $74,999MSRPPropeller1 swim pump—2,39560 A230 V
Endless Pools X2000 from aboveEndless Pools X200020′5From $59,999MSRPAirless jets2 swim pumps—2,35060 A230 V
Catalina Swim Spas Marathon 21' Dual Temp (C-420) from aboveCatalina Swim Spas Marathon 21' Dual Temp (C-420)20′ 7″6$52,499MSRPJets4 swim pumps—2,75060 A2 circuits, 120 A
Artesian Spas TidalFit DT-21 from aboveArtesian Spas TidalFit DT-2120′ 10″6Price on requestJets2 swim pumps—2,05560 A2 circuits, 120 A
Catalina Swim Spas Tri-Therapy (C-430) from aboveCatalina Swim Spas Tri-Therapy (C-430)20′ 10″4Price on requestJets4 swim pumps—2,73660 A2 circuits, 110 A
Master Spas H2X Challenger 21D from aboveMaster Spas H2X Challenger 21D21′ 5″5$51,499Reported price, Sep 2026Airless jets3 swim pumps—1,83050 A2 circuits, 100 A
Master Spas H2X Trainer 21 from aboveMaster Spas H2X Trainer 2121′ 5″5Price on requestAir-injected jets2 swim pumps—1,63050 A2 circuits, 100 A
Master Spas H2X Trainer 21D from aboveMaster Spas H2X Trainer 21D21′ 5″5$47,499Reported price, Sep 2026Air-injected jets2 swim pumps—1,83050 A2 circuits, 100 A
Length is the outside of the cabinet; open swim length is the maker's figure for the swim side only. Breaker is the maker's minimum per circuit, with the circuit count under it. A dash means the maker doesn't publish it. Prices are what each maker posts on its own site (its list price, or MSRP), or for Master Spas a reported price, with the date. “Price on request” means the maker doesn't post one; a dealer quotes it.

What is a swim spa with a hot tub side?

One cabinet with two bodies of water. A wall or acrylic divider splits a long swim side from a short hot tub side, and each side has its own controls, so the swim water can sit in the low 80s while the hot side runs at 100 to 104°F. Bullfrog describes the two chambers as each often having its own heater and pump.

That means two sets of equipment to buy, to power and, one day, to repair. What to check before you buy one is in how dual-zone swim spas work.

How much swim room does the hot tub side take?

The hot side comes out of the cabinet's length. 11 of the 30 combos publish an open swim length, with a median of 9′ 5″. The 15 swim-only models 18 ft or longer that publish one have a median of 12′ 4″.

The rest give only the cabinet size. Ask the dealer for the open swim length of the swim side, measured from the current to the divider, and lie out in the empty swim side with your arms overhead to check the room.

What does a dual-zone swim spa cost?

Where there's a list price or a reported price:

  • Endless Pools: $59,999 to $74,999 · Maker's list price (MSRP), 2 of 2 models
  • LPI: $40,699 to $52,499 · Maker's list price (MSRP), 5 of 7 models
  • Master Spas: $47,499 to $54,499 · Reported price, 3 of 4 models
  • Wellis: $50,999 · Maker's list price (MSRP), 1 of 1 model

The other brands quote through dealers. Delivery, the pad and the wiring come on top. The rest of the bill is on what a swim spa costs.

How much power does a swim spa with a hot tub side need?

27 of the 30 need two or more separate circuits, and one needs three. Three run on one 60 A circuit: the Cal Spas Olympian F-1868DZ, the Endless Pools E2000 and the Endless Pools X2000. Master Spas' H2X manual gives its two-sided models two separate 50 A supplies, one for the swim side's controls and one for the spa side's.

A licensed electrician sizes each circuit. Every model's amps are on swim spa electrical requirements.

How is the current made on these?

Of the 30, 26 push the water with jets, 3 with a propeller and 1 with a named system the maker doesn't explain. The guide to swim spa jets vs propeller explains the difference, and Endless Pools vs Master Spas compares two makers that sell both.

What does one cost to keep warm?

We couldn't match a California standby listing to any of the 30, so there is no measured figure to show. Two heaters hold two bodies of water at two temperatures. Ask the dealer for each side's heater size and what the maker's own energy figures are.

Get the price range

Common questions

How much is a swim spa with a hot tub?

11 of the 30 have a published price, from $40,699 to $74,999: Endless Pools $59,999 to $74,999, LPI $40,699 to $52,499, Master Spas $47,499 to $54,499 and Wellis $50,999. The other brands quote through dealers.

What is the shortest swim spa with a hot tub?

The Artesian Spas TidalFit DTL-6 and Artesian Spas TidalFit DTL-8, at 14′ (168 in). 24 of the 30 combos we track are 18 ft or longer.

How many seats does the hot tub side have?

17 of the 27 that publish a count have 5 seats on the hot side; the range runs from 3 to 6.

Can each side run at its own temperature?

Yes, that is what makes it dual temperature. A divider separates the two bodies of water, and each side has its own controls and heat. Master Spas' H2X blog gives about 82 to 84°F for the swim side and 100 to 104°F for the hot side.

Sources

4
  1. H2X Swim Spas (Master Spas): dual temperature swim spas h2xswimspa.com · checked October 2026An acrylic divider, a control panel per side; swim side about 82 to 84°F, hot side 100 to 104°F.
  2. Bullfrog Spas: swim spa types bullfrogspas.com · checked October 2026A dual-zone swim spa has two chambers split by a wall, each often with its own heater and pump.
  3. Master Spas: 2026 H2X owner's manual masterspascdn.com · checked October 2026Electrical requirements, recessed-install guidelines and the 3 ft service area.
  4. California Energy Commission: appliance efficiency database, portable electric spas cacertappliances.energy.ca.gov · checked September 2026Standby watts for every swim spa listed here, as of September 21, 2026.