In The Swim Oasis Review: Pros, Cons & Real Verdict

Last summer, I watched my old above-ground pool sag in a way that felt less like “patina” and more like “structural surrender.” The liner was pulling away from the wall, the skimmer had cracked, and every gust of wind made me wince. I needed a replacement—but not a whole new system. I already had a pump and filter that worked fine. So when I started looking at pool kits, the in the swim oasis review,in the swim oasis pool review and rating,in the swim oasis above ground pool review pros cons,in the swim oasis pool kit honest review,in the swim oasis pool worth buying review,in the swim oasis review verdict became my first stop. What I found was a kit that promised a durable steel frame and included liner and skimmer—exactly what I needed. But promises and reality don’t always match. I ordered it, set it up, and here’s what actually happened.

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If you’re in a hurry, I get it. Here’s the short version of this in the swim oasis above ground pool review pros cons.

What This Thing Is and Is Not

The In The Swim Oasis is an above-ground pool base kit. It includes a 52-inch steel pool wall, a solid blue vinyl overlap liner, and a thru-wall skimmer. That’s it. No pump, no filter, no ladder. This is not a “complete” pool package in the sense that you can fill it with water and jump in. It’s a replacement structure for people who already have the circulation equipment. Confusing it with an all-in-one kit like the Bestway Hydrium would lead to a rude awakening when you realize you need another $300–$500 in gear. In The Swim is a well-known brand in the pool industry—they sell chemicals, covers, and replacement parts. This kit sits in the mid-range of above-ground pool options: not the cheapest pressed-wood frame, not the premium resin models. It’s steel, it’s solid, and it’s designed for people who know what they’re doing.

What You Get When It Arrives

The box is big and heavy—473 pounds, so have a friend and a dolly ready. Inside you’ll find the steel wall sections, a bag of metal uprights and top rails, the liner (folded carefully), and the skimmer with gasket and screws. The packaging is functional, not premium. Cardboard, tape, a few foam inserts. Nothing damaged in transit, but I wouldn’t want the box sitting in rain. What’s missing? Pump, filter, ladder, hoses, ground cover, sand for the base. If you don’t have these, you’re looking at an additional 20–30% above the listed price. The liner felt decently thick—20-gauge, I’d guess—but not heavy-duty. The steel wall is 20-gauge galvanized, which is standard for this price tier. First impression: it looks and feels like a serious piece of equipment, provided you already have the supporting gear.

Getting Started: What the First Week Was Actually Like

The Setup

Two capable adults spent about six hours spread over two days to get the pool assembled. The instructions are printed small and assume you’ve done this before. We leveled the ground, laid down a foam underlay (bought separately), and started snapping the wall sections together with brace brackets. The wall went up easier than I expected—the steel panels have interlocking tabs that clicked into place. The top rails and uprights bolted on securely. The liner took the most finesse: it’s an overlap style, so you have to stretch and smooth while someone else holds the clips. By evening of day two, we had a functional pool shell awaiting water.

The Learning Curve

If you’ve ever assembled a flat-pack shed or gazebo, you’ll manage. The hardest part was getting the ground perfectly level—the instructions warn that even a 1-inch slope can stress the wall. I spent an extra hour re-checking with a long level. The liner required patience: overlap liners need careful centering to avoid wrinkles. My first attempt left a fold near the skimmer hole; I had to drain a few inches and re-stretch. For a first-timer, budget the whole weekend and watch a couple of YouTube videos beforehand.

The First Result

Filled it to about 80% overnight. In the morning, the pool looked clean and round—no bulges, no leaning walls. I installed my existing pump and filter, dropped in the ladder from my old pool, and fired it up. The skimmer worked immediately, pulling surface debris into the basket. The water clarity after 24 hours of filtering was excellent. The liner’s deep blue color made the water look inviting. That first afternoon swim was genuinely satisfying. But I was still nervous about long-term stability.

For a deeper look at how the setup compares to other kits, check my in the swim oasis pool kit honest review.

After Extended Use: What Changed

What Got Better With Time

The liner settled and smoothed out fully after about two weeks. The skimmer’s basket seal improved as the gasket compressed. I also got faster at cleaning and balancing chemicals because the pool maintains a consistent volume—no weird leaks or evaporation hotspots. The steel wall didn’t show any rust or warping after three months of sun and rain.

What Stayed Consistently Good

The frame feels solid. Even with kids doing cannonballs, the uprights didn’t flex more than a few millimeters. The top rail never loosened after the initial bolt tightening. The skimmer catches leaves and bugs reliably—I only had to empty it every other day. Water chemistry held stable without surprising swings.

What I Wished I Had Known Earlier

First, the included liner has a printed pattern (solid blue) but it’s not UV-stabilized as well as premium liners—it faded noticeably by late August. Second, the wall seam comes with a plastic cover strip that can pop off if you bump it during cleaning; I ended up reinforcing it with silicone. Third, the skimmer opening height is fixed, so if you run a variable-speed pump at low flow, the water level needs to be precise—too low and the skimmer gulps air; too high and it bypasses debris.

Any Degradation or Concerns Over Time

One top rail developed a slight surface rust spot where the coating had scratched during assembly. I sanded it and painted with rust-inhibitor. Not a dealbreaker, but worth noting. The liner’s overlap clips lost tension after about four months—I had to retighten a few. Overall, nothing catastrophic, but this in the swim oasis pool review and rating wouldn’t be honest if I didn’t mention these maintenance points.

The Features That Actually Matter

Features That Delivered

• Steel wall construction: 52-inch, 20-gauge galvanized steel—stands up to wind and rough play. The interlocking panel system made assembly straightforward and created a rigid circle that didn’t deform.
• Included liner: 20-gauge vinyl overlap liner. Fit the 18-foot frame exactly. No gaps at the wall bottom. The color is pleasant, though fading is a concern.
• Thru-wall skimmer: Integrated plastic skimmer with a large basket. Installed easily with provided template. Draws surface water effectively; significantly better than a hanging skimmer.
• UV-resistant uprights: The top rails and uprights have a powder-coated finish that held up well except for the one scratch. No peeling or chalking.
• Compatible with existing equipment: Standard 1.5-inch fittings matched my pump and filter without adapters.

Features That Were Overstated

• “Durable steel frame”: The frame is durable for its class, but heavy use (daily jumping, especially in corners) caused minor flex. Not a safety issue, but not bombproof.
• “Clean backyard style”: The dark blue liner and grey frame look fine, but it’s not “modern” enough to hide the fact it’s a metal pool. Still reads as utilitarian.
• “Long-lasting backyard performance”: After one season, I’d say it’s solid for 5–7 years if maintained well, but the liner fading and clip loosening suggest it’s not a 10-year product.

Specifications Reference

For a broader look at pool kits in this range, read my Bestway Hydrium 15×48 review.

The Honest Scorecard

The overall score reflects that the In The Swim Oasis delivers on its core promise—a sturdy steel replacement pool—but the liner quality and missing equipment prevent it from being a slam-dunk for everyone. It’s a good product, not a great one.

How It Stacks Up Against the Real Alternatives

The Case For This Product Over the Alternatives

The In The Swim Oasis has a thicker steel wall than the Bestway Hydrium, and the thru-wall skimmer is far more effective than the hanging skimmer on the Intex XTR. If you already have quality equipment, you’re not paying for a pump and ladder you’ll replace anyway. The Oasis also has a slightly larger diameter than the Hydrium 15-footer, giving you more swimming area. For owners upgrading from a smaller pool, this is a natural step up.

The Case For Choosing Something Else

If you’re starting from scratch, the Bestway Hydrium or Intex XTR will get you swimming for less total outlay—even though their frames aren’t as sturdy, you won’t have to piece together a separate pump purchase. The Hydrium’s included sand filter typically outperforms the Oasis’s reliance on your existing setup, assuming your old filter is aging. Also, if ground leveling is a challenge, the Intex’s flexible frame can tolerate minor unevenness better than the rigid steel wall of the Oasis.

For a direct comparison, check out my in the swim oasis pool worth buying review and decide if the steel frame matters more to you than a complete kit.

Who This Is Right For, Stated Plainly

The right buyer for the In The Swim Oasis is someone who has already been through the pool ownership learning curve. You know how to level a site, you own a pump and filter that are still in good shape, and you don’t want to pay for a new ladder you don’t need. You care about structural rigidity more than convenience—you’re willing to spend a weekend assembling this because the steel wall will last longer than a resin frame. You probably own a house with kids who will use the pool daily, and you want something that won’t bow after a few summers.

The wrong buyer is a first-timer who just wants a simple way to get a backyard pool for the summer. For that person, a complete kit like the Bestway Hydrium or Intex XTR is cheaper and less frustrating. Also, if your ground is not perfectly flat or you don’t have help moving heavy steel panels, this pool will be a headache. Skip it if you’re not handy, or if you plan to move in a few years—disassembly and reassembly are not realistic for this rigid design.

Price, Value, and Where to Buy

At $1,399.99, the In The Swim Oasis sits at a competitive price for a steel-walled above-ground pool. Compared to the similarly sized Intex XTR ($1,299 including pump), the Oasis costs about $100 more but uses a thicker steel wall and a better skimmer. However, you need to add at least $300 for a pump and filter if you don’t have them, which pushes the total to ~$1,700. That’s more expensive than a complete package. For someone who already owns equipment, the Oasis is a thrifty upgrade. For a new owner, it’s a value trap if you don’t account for the extras.

Warranty and After-Sales Support

In The Swim provides a limited warranty: 7 years on the steel wall, 2 years on the skimmer, and 1 year on the liner. From my experience, the liner warranty is short, probably because fading is anticipated. Customer service responded to a question about the rust spot within 48 hours via email—they offered to send a touch-up paint kit at no cost. That’s reasonable for the price point.

Questions I Get Asked About This Product

Is the In The Swim Oasis actually worth the price?

Yes, if you’re replacing an existing pool and already have the pump, filter, and ladder. The steel wall and thru-wall skimmer are upgrades over most frame pools. You’re paying for a durable shell, not a convenience package. For new owners, the total cost of ownership is higher than an all-in-one kit, so it’s a less compelling value.

How does it compare to the Bestway Hydrium 15×48?

The Hydrium is smaller (15 ft vs 18 ft) and includes a pump and ladder at roughly the same price. The Oasis has a thicker steel wall and better skimmer, but the Hydrium is easier to set up and comes with everything. If you want maximum pool for your money and don’t mind a smaller diameter, the Hydrium wins. If you already own equipment and want a larger pool, the Oasis is better.

How long does setup realistically take?

Two people with moderate DIY skills can finish in 6–8 hours over two days, not counting ground preparation. Leveling the area and gathering materials (sand, underlay) can add another half day. First-timers should plan for a full weekend. The instructions are not great—I had to refer to online videos for the liner installation.

What do you actually need to buy alongside it?

At minimum: a pump (1 HP or 1.5 HP recommended), a filter cartridge or sand filter, a ladder (A-frame above-ground style), hoses to connect pump to skimmer and return, and a ground cover or foam underlay. Budget around $300–$500 for decent equipment. If you don’t have a ladder, add $100–$200. I used an in the swim oasis pool kit and paired it with my old Hayward pump—no issues.

Has it had any reliability issues over time?

After one season, the biggest issue is liner fading—the blue turned noticeably paler after two months of full sun. The steel wall remains rust-free except for one spot where the coating scratched during assembly. The skimmer seals held. I feel confident it will last five years, but I wouldn’t expect ten without replacing the liner.

Where should I buy it to avoid fakes or poor service?

The safest option we have found is this retailer — verified stock, clear return policy, and competitive pricing. Amazon’s fulfillment means fast shipping and straightforward returns if anything is damaged. In The Swim’s own website also sells directly, but I found Amazon’s price was identical and Prime shipping was faster.

How does the 52-inch depth feel for adults and kids?

At 52 inches (about 4.3 feet of water depth after filling to typical level), adults can stand but the water is too shallow for safe diving. Kids can swim freely, and it’s a good depth for volleyball and floating. Taller adults may find the water only chest-high. For deeper swimming, you’d need a 54-inch wall or an in-ground pool.

Can you install this pool on grass?

You can, but you must remove sod, level the ground, and lay a protective underlay. Grass will die under the pool anyway, so it’s better to excavate down to bare soil. I used a layer of sand and a foam underlay. On grass alone, the steel wall could shift and the liner could puncture. Not recommended.

My Actual Take, After All of It

What Tipped It For Me

The deciding factor was the steel wall stability. I’ve had frame pools before that wobbled when kids roughhoused. The Oasis’s wall doesn’t move. That, plus the integrated skimmer, makes day-to-day use noticeably better than any above-ground pool I’ve owned. The fading liner is a bummer, but I can replace that in a few years without buying a whole new structure.

The Honest Verdict

This in the swim oasis review verdict is straightforward: if you already have a pump, filter, and ladder, and you want a larger, more durable above-ground pool, the Oasis is a solid buy. If you’re starting from scratch, buy a complete kit instead. I would buy it again at this price, knowing what I know now—but only because I already owned the missing pieces.

If You Have Used It, Tell Me What You Found

I’d genuinely like to hear from other owners—especially those who have had this pool for more than one season. Did your liner hold up? Did you find a trick for keeping the clips tight? Drop your experience in the comments below. And if you’re ready to order, here’s the in the swim oasis above ground pool review pros cons page to check the current price.