A portable cold plunge is the cheap way into this hobby, and the spec pages for these tubs are a mess. Some list gallons and no weight, others list weight and no warranty, and two of the nine listings below showed as out of stock when I opened them. I opened the maker or retailer page for each one on 2026-10-06 and wrote down only what it said. The extra I can offer is a plain "could not verify" line under every product and an ice-cost formula you can redo with your own bag price.

This page covers inflatable tubs, folding or lightweight tubs, and insulated barrels you can move. If you want a unit with the chiller built in, that's cold plunge with chiller, and the full tub range lives on the cold plunge hub.

Best portable cold plunge: quick picks

Prices are what each page showed on 2026-10-06 and will change. "Not shown" means the page I opened didn't list it. Capacity is as the maker or seller states it, and I haven't measured any of it.

TubFormPrice shownCapacityWeight empty / filledChillerWarranty
The Cold Pod StandardInflatable$119.9985 gal3.5 kg (about 7.7 lb) / not shownPorts for a chiller, per the maker1 year
LifePro portable tubListed as non-inflatable, 6 lb$99.99, out of stockNot shown6 lb / not shownNot shownNot shown
Therapod (Sam's Club)Inflatable$229Not shownNot shownListed as compatible with a Polar Dive USA V5 chillerNot shown
NAIZEA 211 gal (Walmart)Inflatable$349, out of stock211 galNot shownExternal chiller, sold separatelyNot shown
Icebound Endurance Plunge TubInflatable$699.99 or $899.99About 155 galNot shown / about 900 lb0.5 HP or 1 HP chiller, sold separately1 year
Ice Barrel 300Insulated rigid barrel$1,149.9977 gal61 lb / 700 lbChiller-ready ports, chiller not includedLimited lifetime
Sun Home Cold Plunge VerticalInflatable tub plus chiller$3,899106 galTub 15.5 lb, chiller 88 lb / not shown1 HP chiller included"1+ Year"
Plunge Pop-UpInflatable$4,490About 95 gal18 lb / 801.3 lbCompatible, not included1 year
Plunge AirInflatable plus chiller$5,490About 105 gal28 lb / 903.7 lbStandard chiller included90 days tub, 1 year chiller

If you just want to find out whether you'll use a cold plunge at all, I'd start at the top of this table. If you want to stay portable but never touch ice again, the last three rows are where you end up, and the price is roughly 32 to 46 times higher (my arithmetic: $3,899 and $5,490 divided by $119.99).

How I picked these, and what I can't claim

I don't test products. I haven't inflated, filled, lifted or plugged in any of these, so every line below is "the maker says" or "the listing shows". I picked tubs you can move or pack away, from different sellers, and where I could I used the maker's own page. Three come from Walmart or Sam's Club listings because I couldn't reach a maker page for them (the Therapod, LifePro and NAIZEA).

Two of those retailer listings showed as out of stock when I opened them, so treat their prices as a snapshot. A Cold Pod review at Garage Gym Reviews and the maker's own site disagree on a few points, which I flag in the product section.

On health, I'm not a doctor. Cleveland Clinic says to talk to your healthcare provider before a cold plunge, and its list of people who should avoid it includes heart disease, high blood pressure, diabetes, pregnancy, peripheral neuropathy, poor circulation, venous stasis and cold agglutinin disease. It also says to avoid going below 40°F (4°C), gives 50 to 59°F as a beginner range, and says a session should never go beyond five minutes. The page I read didn't say anything about plunging alone or with someone present, so I won't make a claim either way. Ask a doctor, not a product page.

Inflatable ice bath tubs under $400

The Cold Pod

The maker's page lists the Standard at $119.99, 85 gallons (320 L), 75 cm by 75 cm, and 3.5 kg. My arithmetic: 75 cm divided by 2.54 is about 29.5 inches, and 3.5 kg is about 7.7 lb. The XL is $159.99 for 116 gallons (440 L), 90 cm across and 75 cm tall, at 5.1 kg. The maker lists a four-layer wall (PVC, pearl foam, nylon, a PVC coating), a 10 mm cotton insulation layer, an insulated cover with a mesh filter, and water in and out ports for a chiller.

The maker says the warranty is one year from purchase, registration required, with returns within 14 days. The maker also lists an Elite Lite Barrel at $499.99, 120 gallons and 31.97 lb, though I didn't find its dimensions.

The Garage Gym Reviews write-up says something different on two points. It says the tub has no temperature control and isn't compatible with a chiller, and gives no warranty. It also puts the capacity at 84.5 gallons and about 680 lb filled. The first claim conflicts with the maker's chiller ports, and the second with the maker's one-year warranty, so I'd ask the seller which version you're getting. I couldn't verify a filled weight from the maker, an empty weight in pounds from the maker, or how the pod behaves in freezing weather. The reviewer raised a freezing concern, and I have no data on it.

Therapod at Sam's Club

The Sam's Club listing shows $229 and says the tub is compatible with a Polar Dive USA V5 chiller. The description says it's made from "heavy-duty materials". That's all the page gave me. No capacity, dimensions, weight, lid detail or warranty appeared in what I could read, so I can't recommend it over the Cold Pod on specs. You'd be paying for the retailer's return policy, which I also didn't read. For the specifics I'd go to the box or the seller before ordering.

LifePro portable tub

The Walmart listing shows $99.99, 36 by 36 by 30 inches, 6 lb, a lid, and a temperature range of 4°F to 122°F, and the page called it out of stock. It describes the design as "non-inflatable reinforced", which is the only listing here that doesn't say inflatable or barrel, so I can't tell you how it folds or stores. There's no capacity, chiller or warranty information in what I read. The 4°F figure is a material rating, as far as I can tell, and it's well below the 40°F floor Cleveland Clinic gives for people. Don't read it as a target.

NAIZEA 211 gallon inflatable

This Walmart listing shows $349 and 211 gallons, 59.1 by 34.6 by 25.6 inches, a lid, a repair kit and a hand pump, with an external chiller sold separately. It was out of stock when I looked. One sanity check on the capacity: my arithmetic is 59.1 times 34.6 times 25.6 cubic inches, divided by 231 cubic inches per gallon, is about 227 gallons for a solid box of those outer dimensions. A soft-walled tub with real wall thickness and some room below the rim holds less, so I'd treat 211 as a brim-full ceiling at best. I couldn't verify the weight, the warranty or any seller policy.

For context, Walmart's inflatable ice bath category lists tubs from $29.99 to $329.99, with most of the popular ones between $49.99 and $89.99. I haven't opened those cheaper listings, and nothing on this page speaks for them.

Mid-price portable cold plunge tubs

Icebound Endurance Plunge Tub

The maker lists $699.99 for the French Gray and $899.99 for the Cool Gray, about 155 gallons and about 900 lb filled, 63 by 38.5 by 26 inches, air-insulated walls, and a safety-locked insulated cover. The page says it's inflatable, sets up in about ten minutes with a quick-inflation pump, and ships with a pump and a carrying bag. It has three half-inch ports for a chiller, which you buy separately (a 0.5 HP or 1 HP model, per the page), and a one-year warranty.

Here's the part I'd question. At roughly 8.3 lb per gallon (my arithmetic, explained in the weight section below), 155 gallons would weigh about 1,290 lb, and the page says about 900 lb. Those two numbers can't both describe the same fill level, so I'd ask the seller which one is real before planning a floor around it. I couldn't verify the empty weight or the folded size.

Ice Barrel 300

This is a different kind of portable. The maker lists $1,149.99, 77 gallons (292 L), 35.5 inches wide, 30.5 inches tall, 61 lb empty and 700 lb full. The foam insulation runs through the barrel and the lid, and the lid is included. It comes with chiller-ready ports, two bulkheads and seals, a plug and a pre-filter, but no chiller. The warranty is limited lifetime, and the maker says it fits most people up to 6 feet tall.

Why it belongs on a portable cold plunge list: at 61 lb empty it's far lighter than a chiller tub, though I can't tell you how easy it is to carry. Why you might skip it: it's rigid, so it doesn't store flat, and the drain-and-move routine is still yours. I couldn't verify its exterior height with the lid on or any ice-retention data.

Portable plunges with a chiller

These two are inflatable, they pack down, and they come with a chiller in the price. That pushes them into the territory of the chiller tubs I compared separately. I'm listing them because the tub itself is the portable part.

Sun Home Cold Plunge Vertical

The maker lists $3,899, 106 gallons, a 35.4-inch cube, a 15.5 lb tub and an 88 lb chiller. It's an upright, seated design with a puncture-resistant inflatable tub, an insulated cover and a repair kit, plus a 1 HP chiller with app control and ozone. The listed range is 32°F to 104°F, power is a dedicated 15 amp GFCI circuit on a standard plug, and the warranty reads "1+ Year". I couldn't verify what the "+" in the warranty covers, the filled weight or the noise level. Also, 32°F is below the 40°F floor Cleveland Clinic gives, so I'd set your target well above the machine's minimum.

Plunge Air

The maker lists $5,490, which I confirmed includes the standard chiller, with a heater option at +$400. It's about 105 gallons, 61 by 32 by 28 inches, and 28 lb empty and 903.7 lb filled, on 110V/15A, and the page says cooling reaches 39°F and takes about 15 minutes to set up. The box includes an air pump, an insulated cover, a ground cover, a repair kit, a backpack and a six-month maintenance kit.

The warranty is the odd part: 90 days on the tub and one year on the chiller. On a $5,490 tub that's thin, and it's the shortest tub warranty stated in this group. I couldn't verify how the inflated shell holds up outdoors over a season.

Plunge Pop-Up

The maker lists the Pop-Up Standard at $4,490, with an air pump, a weatherproof cover, free delivery and a one-year warranty, and the chiller is not included at that price. It's about 95 gallons, 32 inches across by 30 inches tall, 18 lb empty and 801.3 lb filled, and the maker says it fits people up to 6'9". It works with ice or with an Evolve chiller, and the page says it's for residential use only. An insulated cover is sold separately.

So at $4,490 you get the inflatable, and you still need a chiller or a supply of ice. The page didn't give a folded size. I couldn't verify what a chiller adds to the price, since the page doesn't state it.

How much ice does a portable plunge need?

The one sourced rule of thumb I found comes from a chiller seller, Coldture, so weigh that. It says a standard tub needs 10 to 20 kg (roughly 20 to 40 lb) of ice, depending on starting water temperature and target, and suggests starting with about 10 kg, measuring, then adding more. It also says the temperature starts too cold right after the ice goes in and drifts warmer through the session. It gives no tub volume, so I can't scale it to a 77 gallon barrel versus a 155 gallon inflatable, and I won't pretend to.

ThePricer puts ordinary packaged ice at about $0.20 to $0.50 per pound, with a 10 lb bag at $2 to $5 and a 20 lb bag at $4 to $7 or more, and cites a 10 lb Reddy Ice bag at $1.88 at Walmart.

My arithmetic, per session, buying fresh ice every time:

Scaled to a year:

PlanSessions per yearIce per year (my arithmetic)
Once a week52$208 to $1,040
Twice a week104$416 to $2,080

Formula: sessions times pounds per session times price per pound. The $1.88 Walmart bag works out to $0.188 per pound, so 20 lb is $3.76, just under my low case.

This is a ceiling for fresh-every-time use. If you keep the water between sessions you add less ice, but I found no sourced figure for how much less, so I've left it out. Ice also costs you freezer space and a trip to the store, which no formula captures.

Now the break-even against the two portable tubs that ship with a chiller, ignoring electricity, which I couldn't price without a sourced duty cycle. My arithmetic: Sun Home's $3,899 minus the Cold Pod's $119.99 is $3,779.01, which at $20 a session takes about 189 sessions and at $4 a session about 945. Plunge Air's $5,490 minus $119.99 is $5,370.01, or about 269 sessions at $20 and about 1,343 at $4. At two sessions a week (104 a year) that's between roughly two years and well over a decade. The cheap tub wins on money for a long time. What the chiller buys is that you don't carry ice.

Inflatable vs hard tub vs stock tank

The three formats fix different problems.

An inflatable is the lightest and the cheapest to buy. The Plunge Pop-Up lists 18 lb empty, the Cold Pod Standard about 7.7 lb, and both are listed at hundreds of pounds filled. It stores in a closet, and it moves with you if you rent. The downsides are the ones I can't verify: how a soft wall copes with a puncture, with sun, with a freeze, and with a pet. Garage Gym Reviews' reviewer raised a freezing concern for the Cold Pod. Plunge ships a repair kit, as do Sun Home and NAIZEA, which tells you punctures are something sellers expect.

A hard portable tub, which in this list means the Ice Barrel 300, holds shape and insulates with foam. Plunge's rigid Pod (a different product from the Pop-Up) lists 94 lb empty, about 820 lb filled, and $5,590 with a Pro chiller included. At 61 lb or 94 lb these aren't light. I'd call the barrel semi-portable.

A stock tank is the budget hard option. The Rubbermaid 100 gallon tank on Walmart is listed at $98.32 and 53 by 31 by 25 inches, which is a similar price to a Cold Pod for about 100 gallons. It isn't designed for people and has no lid, cover or chiller ports, so you add those yourself. The step-by-step version is in my DIY cold plunge guide, and cold plunge vs ice bath covers when a plain ice bath beats a machine.

If you want a rule: pick the inflatable if you need to put it away or take it with you, the barrel if you want a hard, insulated shell and don't mind that it stays put, and the stock tank if you never plan to move it.

Where to put it, and what it weighs

Water weight is the thing people forget, because the empty weights are small enough to carry in one hand. I'll derive it from the makers' own numbers instead of quoting a rule of thumb. My arithmetic, filled minus empty, divided by gallons:

So plan on roughly 8.3 lb per gallon. An 85 gallon Cold Pod holds about 705 lb of water at that rate (my arithmetic), a bit above the roughly 680 lb filled figure a reviewer gave, and a 155 gallon tub holds about 1,290 lb. Rounding aside, that's the number your floor has to carry, so ask a contractor about decks, balconies and upper floors. I'm not qualified to tell you what a surface can hold.

Practical points that come straight from the listings:

Mistakes buyers make with portable plunges

Buying by gallons and ignoring the shape. A 155 gallon tub that's 38.5 inches wide is a different experience from an upright 35.4 inch cube holding 106 gallons. Compare the dimensions to your own height and shoulders, and note the Ice Barrel's up-to-6-foot fit claim and Plunge's 6'9" claim.

Assuming a chiller port means a chiller. The Ice Barrel 300 has chiller-ready ports and no chiller. The Pop-Up is compatible and doesn't include one. The Cold Pod lists ports while a reviewer says it doesn't take one.

Trusting the temperature rating on the material. LifePro's 4°F to 122°F and Sun Home's 32°F floor are about the product, not about what you should do. Cleveland Clinic says to stay above 40°F.

Skipping the cost of cold. A $119.99 tub plus $4 to $20 of ice a session adds up fast. At the high end, 12 sessions at $20 is $240, which is already more than the $229 Therapod (my arithmetic). Read cold plunge cost for the full table.

Frequently asked questions

What is the best portable cold plunge?

I can't name one best, because I haven't tested any and the specs are too patchy to rank on. On what the pages show, the Cold Pod is the cheapest with a stated capacity, a warranty and chiller ports from the maker, the Ice Barrel 300 is the one with a published weight, insulation and a lifetime warranty, and the Plunge Air is the one that comes with a chiller in a packable tub.

What is the best inflatable cold plunge?

For price, the Cold Pod at $119.99 for 85 gallons. For a bigger tub, the Icebound Endurance at $699.99 to $899.99 lists about 155 gallons and a one-year warranty, though its capacity and filled weight don't line up. For one with a chiller included, Plunge Air at $5,490 or Sun Home Vertical at $3,899. Whichever you pick, read the warranty first, since it runs from 90 days on the Air tub to a limited lifetime on the Ice Barrel.

Is an inflatable ice bath worth it?

Worth it for finding out whether you'll keep doing it, yes, because the entry price is $99.99 to $349 on the listings I opened. The catch is that you supply the cold, which my arithmetic puts at $4 to $20 per session in ice. If you stop after a month you've lost little. If you're using it twice a week, price a chiller.

Can I add a chiller to a portable cold plunge?

On paper, several allow it. Cold Pod lists chiller ports, the Endurance lists three half-inch ports and names a 0.5 HP and a 1 HP chiller, NAIZEA says an external chiller can connect, the Therapod is listed as compatible with a Polar Dive USA V5, and the Ice Barrel 300 ships chiller-ready. The chillers themselves are separate purchases, and a chiller is a bigger spend than most of these tubs. See do you need a chiller for the break-even.

Is a portable cold plunge safe?

Not for everyone. Cleveland Clinic says to ask your healthcare provider first, lists heart disease, high blood pressure, diabetes and pregnancy among those who should avoid it, and says to stay above 40°F and keep sessions under five minutes. I'm not a doctor and none of these makers' pages are medical advice.

What I could not verify

What I would do

If I were buying a portable cold plunge today and hadn't yet proved to myself I'd keep at it, I'd spend $119.99 on the Cold Pod Standard, or $159.99 on the XL for the extra room, from the maker's page where the warranty and return terms are written down. I'd buy a thermometer, keep the water above 40°F, and write down what I spend on ice for six to eight weeks. If that number stays small or I stop going, I've lost very little.

If I found myself getting in twice a week or more, I'd stop at the Ice Barrel 300 at $1,149.99, add a chiller later, and take the lifetime warranty. I'd only spend $3,899 to $5,490 on an inflatable with a chiller included if I was sure I needed to pack it away, and I'd ask Plunge about that 90-day tub warranty first. And before any of it, I'd check with my doctor.