13 Best 6ft Deep Above Ground Pool | 52 Inches of Real Swimming

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Twenty feet across and 8,638 gallons — the round pool that swallows a whole extended family.

For a party-sized backyard, this 20ft x 52in round Prism Frame is the biggest capacity in the round full-set value tier, holding 8,638 gallons — a 1.9x jump over the 4,545 gallons in the rectangular Ultra XTR Deluxe. It is also 11% wider in the water than the 18ft Ultra XTR round, at 240 inches across versus 216 inches. If your goal is room for the whole party, that difference is real when the gate opens and everyone piles in.

The Prism Frame uses a new T-Joint design that snaps together without tools — the manufacturer claims ready-for-water in 60 minutes, and one owner in their sixties reports getting it up solo (though ground prep is the real time sink). Filtration comes from the included 1,500 GPH cartridge filter with dual-suction fittings and Hydro Aeration technology, which is designed to improve circulation and water clarity. The set also includes a ladder, pool cover, and ground cloth.

Setup feedback is mixed — some owners find it easy enough, others call it too much work — and durability draws mixed reports too, with the filter failing early in one case. The 3-ply PVC liner and included patch match the rest of the Ultra line. This is the pool for a family that wants maximum round-space from a full set, and knows the prep work comes first.

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The rectangle that turns a backyard into a volleyball court with 4,545 gallons behind it.

Rectangular pools give you what round ones can’t: straight lines for volleyball, float lounging, and swim lanes. This 18ft x 9ft x 52in Ultra XTR holds 4,545 gallons and comes as a complete set with a 1,500 GPH Krystal Clear sand filter pump, ladder, pool cover, and ground cover. The set-piece advantage of the rectangular shape is clear once assembled — shoppers say “Holds 3 adults + 4 kids, or 11 kids.” If your summer is spent playing games rather than circling a ladder, the rectangle is what you want.

The Ultra XTR frame is galvanized steel with inner and outer powder coating to resist rust, and T-joints with a UV inhibitor for weather resistance. The liner is three-ply with a polyester mesh layer for tear resistance, and the whole pool carries a 2-year warranty on the liner, frame, and pump. Water depth runs roughly 45 inches once filled to the operating line. Assembling this one takes a couple of people around 90 minutes on a level pad, based on buyer reports, and leveling the 20×11-foot footprint is the job that eats the time.

Two things deserve your attention before purchase. The 1,500 GPH pump is adequate but reviewers frequently note it is the first thing to upgrade, and the included ladder is basic — several owners say a sturdier one makes daily use better. A rare QC miss shows up in one review, where a liner arrived torn; the company replaced it promptly. If you have the pad prepped and want the rectangular shape, this delivers the feel of a hard-sided pool at a mid-range price.

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Eighteen feet of dependable round space with the sand filter and patch kit owners actually ask for.

Buyers who want the reliability of the Ultra XTR line but prefer a clean 18-foot round footprint tend to land here. The 6,981-gallon capacity and 52-inch wall give the same swimming depth as the bundle version, and the included 2,100 GPH Krystal Clear sand filter (#26645EG) is the pump that many owners of comparable pools end up upgrading to. There’s no telescoping cleaning kit here — you get the pool, filter pump, ladder, pool cover, and ground cloth, without the extras.

The frame is galvanized steel with a dual powder coat on the inside and outside, and the liner is three-ply PVC with polyester mesh — the same construction as the rest of the Ultra XTR family. The Krystal Clear sand filter runs on sand that lasts up to 5 years with backwashing, which means no cartridge refills through the swim season. That alone is the reason most upgrade from cartridge-filtered pools.

Owners note the cover blows off easily in wind here too, and the ladder is described as narrow and light — functional but not a showpiece. One owner has kept this exact pool running into a third summer with no leaks, noting it “works just like a hard sided pool for a fraction of the cost.” Ground prep is the make-or-break step, and the framing goes up with two people on a level pad in 90 minutes or so based on reviews.

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A 24-foot rectangle that holds 7,937 gallons — volleyball one way, floating the other.

If your yard will take a 24-foot rectangle and you want the most water in the rectangle shape, this Bestway Power Steel holds 7,937 gallons at 90% fill. That is the biggest rectangular capacity in this lineup. The frame is steel with a corrosion-resistant finish, and the pool ships complete with a 1,500-gallon sand filter pump, ChemConnect dispenser, ladder, and pool cover. The ChemConnect dispenser is a small but real convenience — it holds chemical tablets and releases them gradually so you’re not dosing the water daily.

The liner is Bestway’s Tritech material — a three-layer reinforced PVC built for puncture resistance over standard PVC liners. The Seal & Lock pipe system uses quick-click connectors that avoid metal-on-metal contact, which helps prevent the frame wear that comes from direct contact points. The pool assembles without additional tools and takes down for off-season storage, which is what separates a frame pool from a steel-wall pool.

Reviewers are honest about this one. The main recurring complaint is the pool cover — it ties to each post and is tedious to take on and off. Multiple owners mention the liner tearing after three years of use, so longevity is a fair question at this price point. And the pump is described as small but functional, with several buyers noting a stronger pump would better match 7,937 gallons. Step pads on both sides are a suggested buy — the A-frame ladder that ships with the kit is fine for entry but not a highlight.

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Twelve thousand gallons, 24 feet of round water, and a 2,800 GPH pump sized to match.

Once you climb past 12,000 gallons, the pump has to scale with the pool or you spend the season chasing water clarity. This 24ft Ultra XTR holds 12,481 gallons and ships with a 2,800 GPH Krystal Clear sand filter pump — a big jump from the 1,500 GPH pumps on smaller sets. The pump-to-gallons ratio is what makes this pool feel like a real pool. Owners say it’s big enough for pool parties and family use, and setup is described as straightforward once the pad is level and the top rail is in.

The frame is the same galvanized steel Ultra XTR construction with an inner and outer powder coat and UV-inhibited T-Joints. The liner is three-ply PVC with a polyester mesh layer, and the pool includes a ladder, pool cover, and ground cloth. The 52-inch wall gives real swim depth for adults, and the round shape lets kids walk the perimeter without sharp corners.

The catches to know: pump hoses and connections are the weak link — reviewers point out leaks where the hose attaches, and the last top rail is the hardest part of assembly. The pool itself is stout, but running the pump unattended with a leaky connection can mean water loss, so plan to check the connections after fill. Buyers who level within an inch and put blocks under the legs generally report the cleanest experience, and the trade-off vs an in-ground build is cited repeatedly — the pool delivers hard-sided feel at a fraction of the professional-install cost.

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A 21-foot steel-wall pool with 6-inch top rails, sold as a shell-ready frame.

This Aquarian Phoenix is a different animal from the Intex and Bestway pools above — it is a steel-wall pool with 6-inch top rails and 5-inch vertical pillars, built for a permanent-looking footprint instead of a take-down frame. The 21-foot round holds 9,300 gallons and comes with an Acadia wall pattern and Cognac accents on the Krystal Kote frame. The frame itself is the reason to pick it — this is the kind of pool that turns a backyard into a fixed feature rather than a seasonal piece.

One critical note: the Aquarian Phoenix is sold as a kit with the shell and skimmer, and accessories like a liner, pump, ladder, and filter are sold separately. That is a meaningful budget and planning point — unlike the INTEX and Bestway sets above, this is not a bundle. You will need to buy the filtration equipment and ladder in addition to the pool wall, so total outlay will be higher than the base listing suggests.

Owners describe the pool as genuinely good quality — the finish and sturdiness get the highest marks, and at least one owner has kept it through two named Gulf Coast hurricanes without damage. But assembly is not a weekend project for one person: owners say it takes at least three people and the wall is heavy — “my husband and I almost die” is how one buyer put it. The liner arrives separately and must be purchased to spec. If you want a pool that looks permanent and you’re comfortable with extra parts sourcing, this is a good match.

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Twenty-six feet across at 14,667 gallons — the biggest round full set in this lineup.

If your backyard can take a 26-foot circle, this Ultra XTR is the largest round full set here at 14,667 gallons. That’s the water volume you buy for grandchild swim days and pool parties, and the included 2,800 GPH Krystal Clear sand filter pump is sized to move it. The frame is the same Ultra XTR galvanized steel with an inner and outer powder coat and UV-inhibited T-Joints that resist weather and rust. The liner is three-ply PVC with a polyester mesh layer, and the set arrives with a ladder, pool cover, and ground cloth.

Setup is where buyers report the size shows up. “1. you will need 3 people to help for 26ft round 2. level is the key 3. block underneath the posts,” one reviewer summed up. Filling takes days, not hours, and the last top rail is the hardest part of assembly. Push through the prep and this becomes a big, stable pool that handles a full-yard load of kids without complaint.

One reviewer noted about a missing part from the shipment, but the pattern across reviews is that the pool itself and the filter both perform as expected — pumps work well and the frame holds up. If you have the space and the patience to prep the pad meticulously, the size pays off in swim room. If your yard is tight, an 18ft or 21ft round pool above gives you most of the same build quality with a simpler install.

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Eighteen feet of steel-wall build with the filter, ladder, and skimmer all in one box.

Unlike its bigger Phoenix sibling above, this 18-foot kit arrives with the full package: sand filter pump, pool liner, A-frame ladder, thru-wall skimmer, and net cleaner. The 6,750-gallon capacity and 6-inch steel top rails put it in the same construction class as a mid-tier hard-sided pool. The Acadia wall pattern and Cognac accents on the frame give it more visual character than a plain panel pool, and the resin connectors are designed to resist corrosion at the joins.

The catch owners mention consistently is the instructions. Multiple reviews call them vague, with gaps that send owners to YouTube videos instead of the manual. The ladder takes the most criticism once assembled — one buyer says it wobbles under 100 pounds despite a stated higher capacity, so upgrading the ladder is a common move. Several owners also note the liner is thinner than the frame quality would suggest, so budget for a liner upgrade or plan for extra care during the first season.

On the positive side, the metal wall itself is described as sturdy and the pump performs well with good pressure. An owner who chose it partly for dog-proof sturdiness gave it high marks after upgrading the filter. If you want a complete kit without adding parts, this is one of the few in the lineup that ships complete — provided you are willing to install without great instructions and probably replace the ladder.

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A steel-wall pool built to stay up through the winter instead of folding into storage.

This Bestway Hydrium holds 7,192 gallons at 90% fill and is designed as a semi-permanent pool that stays planted year-round. The frame and walls are galvanized steel with a corrugated wall design the maker claims boosts stability; the liner has a coating that resists sun cracking and discoloration. Filtration comes from a 1,600-gallon sand filter pump, with a surface skimmer, ChemConnect dispenser, ladder, ground cover, and pool cover all in the box.

Owners say the wall install is the real work. One handy owner found the steel wall setup nearly impossible with the shipped directions and says the “2-3 hr claim” is “laughable.” Others got it up with two people in a few hours. The safe expectation is at least two people, a long afternoon, and patience with the wall-tracking process. Once standing, the pool earns its keep — steady sides, no wobble, and no leaks reported by buyers.

Two minor items to plan around: the shipped pump is small, so the skimmer needs regular cleaning and backwashing every couple of weeks; and the plastic feet under the frame are noted as easy to break, so handle them carefully during setup. If you want a pool that looks like part of the yard rather than a take-down piece, the Hydrium is the most permanent-feeling option in the value tier.

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A 24-foot steel-wall pool with a 1-HP dual-speed sand filter and a 15-year warranty.

The Montilla steps up from the frame-pool class into a full steel-wall build. It holds 12,600 gallons with a 52-inch wall, and it stacks up competitively on the filtration side — the Sandman filter with a 1-HP dual-speed pump moves water at a 16,000-gallon turnover (3,720 gal/hr), and the 18-inch sand filter is built for efficient, low-wear filtration. The wide-mouth skimmer is a step beyond the basic skimmer on many frame pools, drawing debris off the surface more aggressively.

Construction stays serious: 6-inch top rails, 5-inch steel verticals, and 0.32mm galvanized walls with zinc-aluminum coating to resist corrosion, plus resin top caps that shrug off rust and sun. The included A-frame ladder has flip-up steps for security and a wide platform for entry. Assembly is designed as a DIY kit with step-by-step instructions and all needed tools — but the honest read from the review pages is that some buyers found the pool bows during setup and needs very careful leveling.

A handful of customers note alignment issues — caps that don’t seat cleanly, ladder parts that let water in, and pump fittings with leaks from the factory. This pool’s value proposition is real, but buyers should expect to check every sealed joint during assembly and be prepared to reach for warranty support if a part fails. The 15-year limited warranty is generous on paper; how much use you actually need depends on how well the initial build goes.

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The oval that fits a narrow yard without giving up 11,500 gallons of swim room.

Most backyard pools in this class are round or rectangular. This Lake Effect Meadows Reprieve is oval — a 15ft x 24ft footprint that fits a narrow yard while still holding 11,500 gallons. The kit is complete: slide-lock resin A-frame ladder, wide-mouth skimmer, 25-gauge overlap liner, three bags of Rx Clear filter media, and a 16-inch sand filter system with pump. The oval shape alone is a reason to choose it — many yards rule out both the biggest rounds and the biggest rectangles on width.

The wall is hot-dip galvanized steel with a copper-bearing core and resin coating inside and out to resist rust, and the pool is built to stay in place year-round with interlocking stabilizer rails and coping strips. The liner is 25 gauge with hand-folded North American material to reduce wrinkling, and the maker recommends warming it in the sun for at least an hour before installation and installing at 70-80 degrees for best stretch. That is specific, install-affecting advice worth following.

Where buyers get loudest is the setup. Owners describe the instructions as poor and the assembly as needing at least three people to raise the walls. The provided ladder is repeatedly hit as wobbly, and the caps are called cheap-feeling. On the pool proper, quality and size both land well — it is a good match for someone who wants an oval footprint and is not put off by a full weekend of ground prep and careful liner work.

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Thirty feet, 52-inch walls, 20,000 gallons — the maximum-capacity kit in this lineup.

A 30-foot round is a big commitment, and this Meadows kit holds 20,000 gallons — the largest capacity on the list. It ships complete with a resin slide-lock A-frame ladder, wide-mouth skimmer, 25-gauge overlap liner, five bags of Rx Clear Luster filter media, and a sand filter system with pump. The wall is hot-dip galvanized steel with a copper-bearing core, resin coated inside and out to resist rust, and the pool is engineered to stay in place all year with interlocking stabilizer rails and coping strips.

One piece of installation advice worth heeding: the liner comes hand-folded to reduce creasing and needs to warm in the sun for at least an hour before install, and the ideal install temperature is 70-80 degrees for stretch. Buyers who plan a 30-foot pool also describe the reality of the scale — you are filling 20,000 gallons and the wall is heavy enough that two people handling the roll can struggle without cardboard or similar to help unroll.

Reviewers point out satisfaction with the build quality and say the package cost far less than comparable local store kits. Instructions are criticized for being awkwardly translated, so plan on watching online videos. A few shoppers say missing small fittings — couplers, hose ends — which delayed first fill. If you want the maximum-water option in a single complete kit, this is the top of the lineup, and you should walk into it aware that the scale is not a one-person build.