Short answer: Catster’s September 15, 2026 review names the Petmate Giant its overall pick (25.56 × 18.3 × 10 inches), the Frisco High Sided its value choice (24 × 18 × 10 inches), and the Petphabet Jumbo Hooded its premium covered option (25 × 19 × 17 inches). Those are useful starting points, but no box is automatically the perfect litter box for every Maine Coon. The right model must let your cat enter without strain, turn around fully, adopt a natural elimination posture, and keep urine and kicked litter inside.
The dimensions and rankings below are claims reported by Catster, not independently verified laboratory measurements. The review did not provide manufacturer specification sheets for confirmation, so check the current package or manufacturer listing before buying.
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At a glance: which box suits your Maine Coon?
| Need | Best starting point from Catster’s review | Why it may work | Watch for |
|---|---|---|---|
| Largest open pan among the named picks | Petmate Giant | 25.56 × 18.3-inch floor; sloped access; open design | Lightweight construction may tip, and the lower side may not stop high urination |
| Value-priced open design | Frisco High Sided | 24 × 18 × 10 inches; three high sides and a lowered entrance | Scatter and urine can escape over the lowered side |
| Covered box with the biggest listed footprint | Petphabet Jumbo Hooded | 25 × 19 × 17 inches; transparent hood can be removed | Higher purchase cost; hood and base may not seal completely |
| Cat needs a low step-in | KittyGoHere Senior Cat Litter Box (large) | Review gives a 3-inch entry and a 5-inch overall wall height | Low walls allow more scatter and the review says litter may stick |
| Cat dislikes a permanent hood | An open pan such as Petmate Giant or Frisco High Sided | No roof or door flap to block access | Open sides provide less odor and litter containment |
| You are unsure whether your cat accepts a cover | Petphabet Jumbo Hooded with hood removed initially | Removable cover lets you change the setup | A covered configuration can retain odors and needs frequent cleaning |
Catster’s practical rule is straightforward: “The general rule of thumb is that your cat should be able to get inside the litter box easily and turn around comfortably.” That is a fit test, not a universal minimum-size standard. Maine Coons vary in body length, shoulder width, mobility and toileting posture, so measure your individual cat and the space where the box will sit.
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Provide usable floor area, not just a jumbo label
A large-cat box is useful only if its internal floor allows your cat to walk in, rotate, dig and squat without pressing against a wall. Compare the listed length and width rather than relying on words such as jumbo or giant. A box can be tall yet narrow, leaving less turning room than a shorter open pan. External dimensions also include rims, handles and molded corners, so the usable interior may be smaller than the numbers suggest.
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Contain litter and high urination
High walls reduce the amount of litter kicked onto the floor and can help when a cat urinates near a side. Catster presents 8-to-12-inch walls as a consideration for cats that dig or spray high. That guidance is from the review, not a veterinary or standards-body requirement. A lowered entry improves access but creates a deliberate weak point where scatter or urine can escape; position a washable mat outside that side if needed.
Remain accessible for seniors and cats with limited mobility
Tall walls, narrow doorways and rigid door flaps can turn a spacious box into an obstacle. Catster discusses 2.5-to-3.5-inch walls or a lowered entrance for senior cats or cats with mobility limitations. Introduce a low-entry model if your cat hesitates, misses the step, or begins eliminating beside the box. Do not make an older cat jump into a tall container simply to achieve better containment.
Match the cat’s preference for open or covered toileting
Some cats prefer an open view and multiple escape routes; others settle more readily in a covered enclosure. A removable hood is a practical compromise when you do not know which your cat will accept. A roof can retain odor, making frequent scooping and washing more important. Door flaps can stick, add resistance or trap a cat inside; remove the flap if your cat avoids the box and the design allows it.
All 10 Maine Coon boxes compared
The following dimensions and descriptions reproduce Catster’s listings. They have not been independently confirmed against manufacturer measurements, and current availability can change.
| Product | Catster-listed dimensions (length × width × height) | Design and potential fit | Review caveat |
|---|---|---|---|
| Petmate Giant Cat Litter Box | 25.56 × 18.3 × 10 in | Open pan with sloped access; Catster’s overall pick | Lightweight and may tip; lower side may not contain high urination |
| Frisco High Sided Litter Box | 24 × 18 × 10 in | Open pan with three high sides and one lowered side; value pick | Lower side can allow scatter; sides may not contain high urination |
| Petphabet Jumbo Hooded Litter Box | 25 × 19 × 17 in | Large covered box with removable transparent hood; premium pick | Expensive; hood and base may not fully seal |
| Catit AiRSiFT Litter Pan | 22.4 × 18.3 × 19.7 in | Covered design with removable door and cover; large and jumbo sizes | Some liners may not fit |
| Van Ness High Sides Cat Litter Pan | 17.5 × 15 × 8.5 in | Basic open pan; review reports 20% recycled material | May not suit diggers; comparatively small listed footprint |
| Nature’s Miracle Silver Oval Hooded Litter Box | 25 × 19 × 11.75 in | Hooded box with flip-top front and included charcoal filter | Review says replacement filters are no longer sold by the company and some latches may fail |
| Petmate Doskocil Litter Pan (jumbo) | 22 × 16.5 × 6.5 in | Simple open-top pan | Review says it may be thin and litter may stick |
| KittyGoHere Senior Cat Litter Box (large) | 24 × 20 × 5 in | Low-entry design; review gives a 3-inch entry height | Low sides may allow scatter; litter may stick |
| Catit Cat Litter Pan | 22.2 × 16.3 × 11.3 in | Raised back and rim for containment | Curved bottom may be harder to clean; review reports some units crack |
| Litter Genie Litter Box | 22.3 × 16 × 17.6 in | Flexible high walls and handles | Review says it may not fit larger Maine Coons and reports cracking concerns |
Detailed picks and who should choose them
1. Petmate Giant Cat Litter Box: best overall starting point
At 25.56 × 18.3 × 10 inches, the Petmate Giant offers one of the roomier open floors in the group. Its sloped access can make stepping in easier than climbing over a uniform high wall. An open pan also gives a nervous cat an unobstructed view and eliminates a door flap. It is a sensible first choice when your Maine Coon is mobile, dislikes enclosed spaces, or needs a broad turning area.
The trade-off is containment. Catster reports that the lightweight pan may tip and that its lower side may fail to contain a cat that urinates high. Place it on a level, non-slip surface and check whether your cat’s posture directs urine toward the low section. If so, a taller-sided model or a splash guard may be safer than accepting repeated floor damage.
2. Frisco High Sided Litter Box: value open pan
The Frisco measures 24 × 18 × 10 inches and uses three high sides with one lowered side. That arrangement gives a large cat a clear entry while retaining more kicked litter than a uniformly low tray. It is a practical option when you want an open box and need to control digging without creating a tall step at the doorway.
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The lowered side remains the weak point. Catster notes that scatter can escape there and that the sides may not stop high urination. Face the lowered section toward a washable mat, not a wall or upholstered furniture, and inspect the surrounding floor after the first several uses.
3. Petphabet Jumbo Hooded: premium covered choice
Catster lists this box at 25 × 19 × 17 inches, giving it the largest footprint and greatest overall height among the three named top picks. The transparent hood is removable, so you can begin with an open base and add the cover only if your cat accepts it. That flexibility is valuable when you are answering the question, “Which litter box is right for my cat?” without knowing whether a roof will cause avoidance.
The review calls it expensive and says the hood and base may not fully seal. Treat the cover as an odor-and-scatter management aid, not an airtight container. Scoop promptly, wash the interior on a regular schedule, and remove the hood if your cat starts waiting, circling or eliminating outside.
4. Catit AiRSiFT Litter Pan: covered, removable components
The listed 22.4 × 18.3 × 19.7-inch design includes a removable door and cover, allowing gradual introduction. Its height may help contain kicked litter, while removing the door can reduce resistance for a cat that dislikes flaps. Catster lists both large and jumbo sizes, so verify which size a retailer is offering rather than assuming the largest dimensions apply to every package.
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5. Van Ness High Sides Cat Litter Pan: compact basic tray
Catster lists this open pan at 17.5 × 15 × 8.5 inches and reports that it contains 20% recycled material. Those dimensions are substantially narrower than the leading picks, so measure your cat’s turning space carefully before selecting it for a full-grown Maine Coon. It may work as a temporary or secondary box for a smaller individual, but the review says it may not suit enthusiastic diggers.
Choose it only when the footprint fits your cat and room, and monitor whether your cat can rotate without its shoulders contacting the sides. If litter is consistently thrown over the rim, move to a wider, higher-sided pan rather than simply adding more litter.
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6. Nature’s Miracle Silver Oval Hooded: hood, flip-top and filter
The 25 × 19 × 11.75-inch oval box combines a covered enclosure with a flip-top front and an included charcoal filter. The footprint is comparable to the Petphabet’s base, while the listed height is lower. A flip-top can simplify scooping without removing the entire hood, provided the hinges and latches continue to work.
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Catster reports that the company no longer sells replacement filters and that some latches may fail. Treat the filter as a consumable whose future availability is uncertain; do not buy this model solely for long-term filter replacement. Test every latch before placing the box in a location where a loose hood could frighten your cat.
7. Petmate Doskocil jumbo pan: simple low-sided option
At 22 × 16.5 × 6.5 inches, this open-top pan is shorter and narrower than the principal Maine Coon picks. Its simplicity means no hood, flap or mechanism can obstruct entry. That can help a cat that rejects enclosed boxes, but the dimensions may limit turning space for a very large adult.
The review says the material may be thin and litter may stick. Use a litter depth your cat accepts without overfilling, and inspect the pan for flexing or damage when moving it. If your cat digs forcefully or urinates high, the low walls may require a different design.
8. KittyGoHere Senior Cat Litter Box (large): easiest step-in
This model is listed at 24 × 20 × 5 inches, with a 3-inch entry height in Catster’s review. Its 20-inch width is generous on paper, and the low threshold is the clearest option here for seniors, arthritic cats or cats recovering from an injury. Put it where the cat does not need to climb stairs or cross a slippery floor.
Low walls inevitably trade containment for access. Catster notes more scatter and possible litter sticking. A large waterproof mat can protect the surrounding floor, but do not raise the entry with an improvised barrier that defeats the box’s accessibility.
9. Catit Cat Litter Pan: raised rear rim
The Catit pan measures 22.2 × 16.3 × 11.3 inches and has a raised back and rim intended to keep litter and urine inside. It is an open design, so visual access remains straightforward. The listed width is more limited than the top three picks; confirm that your cat can turn before committing to it as the only box.
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Catster reports that the curved bottom can be harder to clean and that some units crack. Clean all curves rather than leaving compacted litter in the corners, and stop using the pan if a crack develops because leaking waste can damage flooring.
10. Litter Genie Litter Box: flexible high walls
The Litter Genie is listed at 22.3 × 16 × 17.6 inches and uses flexible high walls with handles. The height may appeal to owners dealing with heavy digging or high urine, while handles can help reposition the box for cleaning.
Catster cautions that it may not fit larger Maine Coons and reports cracking concerns. The 16-inch listed width is the key limitation: measure your cat’s shoulder-to-shoulder turning area, not just the outside height, and use a different model if the cat cannot pivot freely.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to choose the right size and entry
- Measure your cat’s usable space. Observe the cat standing, turning and squatting. Record the length needed from nose to tail base and the width across the shoulders, then compare those observations with the box’s listed interior area. Because the source provides external product dimensions rather than validated interior measurements, leave a margin instead of choosing a box that matches your measurements exactly.
- Decide whether access or containment is the priority. Start with a low entry for seniors or cats with mobility limits. For an able-bodied cat that scatters litter or urinates high, consider 8-to-12-inch walls as Catster’s review guidance, while remembering that this is not a universal standard.
- Pick open, covered or convertible. Use an open pan when your cat needs visibility or dislikes confined spaces. Use a hood when your cat accepts it and you need more containment. Choose a removable hood when preference is uncertain.
- Check the entrance shape. A narrow doorway, raised threshold or flap can make a large interior effectively unusable. Watch the first approaches and remove a door flap if it catches, swings into the cat or causes hesitation.
- Plan the surrounding floor. Put a washable litter mat outside the entry, keep the box level, and allow enough clearance to lift a hood or open a flip-top. Do not wedge a covered box into a corner where a startled cat has no easy exit.
- Recheck the fit after purchase. Confirm the delivered length, width, height and opening against the retailer or manufacturer information. The Catster figures are not manufacturer-confirmed, and models or sizes can change.
Open versus covered boxes
When an open pan is better
- Your cat scans the room before entering or avoids enclosed carriers and tunnels.
- You need the lowest possible step-in for a stiff or elderly cat.
- You want quick visual checks of urine, stool and litter depth.
- You can manage scatter with a mat and regular sweeping.
When a covered box is better
- Your cat willingly enters enclosed spaces and you need higher walls.
- The box will sit in a visible area where a hood reduces tracked litter.
- You can scoop frequently enough to prevent odors building under the cover.
A hood does not replace cleaning. Odor trapped inside can make a cat reject the box, and a door flap can stick or trap the cat. Begin with a removable cover off, then add it after the cat is using the base reliably.
Setting up one or several boxes
Catster advises one litter box per cat plus one extra. Spread boxes through quiet, accessible areas rather than lining them all up in one room. Keep food and water away from the toilet area, provide a clear escape route, and avoid placing a box beside a loud appliance that starts unexpectedly.
For a multi-cat household, observe whether one cat blocks another at a doorway. A covered box with one entrance can become a trap if another cat guards the exit. In that situation, an open pan or a cover without a flap may be safer, even if it requires more floor cleaning.
Common problems and fixes
The cat will not enter a tall or covered box
Remove the hood and flap, place a small amount of the familiar litter inside, and keep the box in the previous toilet location. Once use is consistent, reintroduce the cover gradually. If the cat still avoids it, choose an open or low-entry model; forcing a transition can create persistent house-soiling.
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Litter is everywhere around the lowered entrance
Rotate the box so the lowered side faces a washable mat, use a larger mat that extends along the cat’s exit path, and scoop before loose litter accumulates. If scatter remains excessive, choose a design with higher sides while preserving a step-in your cat can manage.
Urine reaches the floor or wall
Watch the cat’s posture to identify the direction of the stream. A low side may be the cause. Try a taller-sided box or a covered model your cat accepts, and protect the wall with a washable panel. Do not solve the problem by raising the entrance beyond the cat’s ability.
The cat turns around but touches the walls
Replace a narrow model with a wider footprint. The Van Ness, Petmate Doskocil and Litter Genie listings are notably narrower than the leading picks, so they deserve extra scrutiny for a large adult. A taller box does not compensate for insufficient floor width.
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Litter sticks or the pan cracks
Catster reports sticking concerns for the Petmate Doskocil and KittyGoHere, and cracking reports for the Catit pan and Litter Genie. Remove clumps with a scoop suited to the litter, clean according to the material’s instructions, and retire any cracked container before it leaks. Verify replacement availability before relying on proprietary liners or filters.
How to interpret the rankings
Catster says its selection process considers reviews, brand reputation, veterinary experience, hands-on testing and cats’ input. That is the publisher’s stated methodology. It should not be read as an independent laboratory test of every box, and it does not establish that every listed model fits every adult Maine Coon. The review itself flags several products as potentially too small or unsuitable for particular cats.
No named population study or validated Maine Coon size standard was provided with these product figures. The 20% recycled-material statement for the Van Ness pan and the wall-height ranges are claims reported by Catster. Confirm material composition, dimensions, prices and stock with the manufacturer or retailer at the time of purchase.
Bottom line
Start with the Petmate Giant if you want Catster’s overall open-pan pick and your cat can use a 10-inch wall. Choose the Frisco High Sided for a value-oriented open design, or the Petphabet Jumbo Hooded when you need the largest listed covered footprint and a removable hood. For a senior or mobility-limited Maine Coon, prioritize the 3-inch entry of the KittyGoHere large model over maximum wall height. Whatever you buy, judge success by your cat’s behavior: easy entry, a full turn, relaxed elimination and a dry, clean floor.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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