Best Litter Box for Maine Coon Cats: 5 Extra Large Picks

Last updated on August 7, 2026

The best litter box for Maine Coon cats needs to solve three problems at once: enough floor space to turn around in, walls tall enough to contain digging and spray, and a material that holds up to heavy daily use.

Maine Coons are one of the largest domestic cat breeds, regularly reaching 15 to 25 pounds and over three feet from nose to tail tip. Most standard litter boxes, and even many marketed as XL, fall short of what they actually need.

A useful starting point is a box around 1.5 times your cat’s body length from nose to tail base, but genuinely oversized commercial boxes can be difficult to find. Prioritize enough usable floor space for your Maine Coon to enter, turn around, dig, and position comfortably without hanging over the sides.

Why standard boxes fail Maine Coons

A Maine Coon that cannot turn around comfortably in the box will step outside it to reposition. Low walls cannot contain the scatter from a large cat digging actively.

Size, wall height, and comfortable access are the main factors to get right.

What size litter box is best for a Maine Coon?

• Enough floor space to turn around without stepping outside
• Long enough that the cat’s body does not hang over the entrance
• High sides for cats that dig or urinate high
• An entry low enough for comfortable access
• Check interior dimensions, not just the advertised exterior size

Quick picks

• Best overall: EGMEHOAD XXXL Stainless Steel Litter Box
• Best open top plastic: IRIS USA Extra Large Cat Litter Box XXL
• Best enclosed: KITCATY XXL Litter Box with Lid
• Best for senior Maine Coons: KittyGoHere Senior Cat Litter Box
• Best budget: IRIS USA Cat Litter Box with High Walls and Handles

Comparison table

Best overall: EGMEHOAD XXXL Stainless Steel Cat Litter Box

The EGMEHOAD XXXL has a 28×20 inch exterior footprint, with reviewer accounts specifically confirming that very large cats can use it comfortably, including a 28-pound Maine Coon. One reviewer whose cat had balance and positioning issues, and whose body previously hung outside every other litter box causing urine to land underneath them, found this was the first box that fully accommodated their cat.

Why it stands out

The stainless steel construction resists scratching and does not absorb odor the way worn plastic can, making it a good fit for a box that will see heavy daily use. The 8-inch walls contain scatter from active digging. The smooth stainless steel interior is also straightforward to wipe and wash during full litter changes.

Possible downsides

No lid, so odor is not contained within the box. Stainless steel costs more than plastic alternatives.

Best for

Most Maine Coon owners who want a genuinely large, easy-to-clean box that holds up to heavy daily use.

Best open top plastic: IRIS USA Extra Large Cat Litter Box XXL

The IRIS USA XXL has 14-inch tall sides with a 6.5-inch curved entrance and one of the largest review bases of any litter box available. It is positioned specifically for large cat breeds and multi-cat households, with confirmed performance for cats that dig and spray.

Why it stands out

At 14 inches, the walls are among the tallest of any open-top plastic box available. The curved entrance keeps the box accessible while the surrounding walls contain scatter and spray. For Maine Coon owners who want a plastic option at a lower price point than stainless steel, this is the most robustly reviewed large plastic litter box we carry.

Possible downsides

Plastic scratches over time and holds odor in the grooves. No enclosure, so odor spreads into the room.

Best for

Maine Coon owners who want a large, affordable open-top plastic box with tall walls and strong real-world confirmation.

Best enclosed: KITCATY XXL Extra Large Litter Box with Lid

The KITCATY XXL has 12-inch tall sides with a leak-proof overlapping buckle connection between the pan and wall enclosure. Multiple Maine Coons are confirmed comfortable using it, with Amazon’s own summary referencing a 30-pound Maine Coon. Multiple reviewers specifically credit the high sides with eliminating wall spray outside the box.

Before choosing an enclosed box for a large cat, check the usable interior dimensions and entrance size rather than relying on the overall footprint.

Why it stands out

The buckle connection between the pan and walls prevents the seam leakage that many enclosed litter boxes develop over time, which matters especially with a large cat that urinates with force. The enclosed design helps keep litter scatter and odors from spreading into the surrounding room, although it makes regular scooping especially important.

Possible downsides

Some cats resist enclosed designs. The enclosed format makes the interior feel smaller than an open box of the same external dimensions.

Best for

Maine Coon owners who want an enclosed box with strong leak containment and confirmed fit for large breeds.

Best for senior Maine Coons: KittyGoHere Senior Cat Litter Box

KittyGoHere has a 24×20 inch footprint with a 3-inch front entry, specifically confirmed by reviewers for Maine Coons and Persians. For a large senior cat with reduced mobility, entry height becomes just as important as floor space. The large footprint gives a senior Maine Coon genuine room to turn and position, while the low entry makes getting in and out easier for a cat with stiff joints.

Why it stands out

The 24×20 inch footprint is large enough for most Maine Coons while the 3-inch entry is one of the lowest of any purpose-designed senior cat litter box available. Reviewers consistently describe cats resuming litter box use after struggling with standard boxes.

Possible downsides

The 5-inch total height means limited scatter and spray containment. Not suitable as the only box for a Maine Coon that digs aggressively or sprays high.

Best for

Senior Maine Coons with reduced mobility who need a low-entry box large enough for a big cat. For more options see our guide on the best litter box for senior cats.

Best budget: IRIS USA Cat Litter Box with High Walls and Handles

The IRIS USA high-walls box with handles is confirmed by one large-cat owner as wider than most XXL boxes marketed for large breeds, giving her cat genuine room to turn and dig comfortably. Multiple reviewers specifically praise the high back walls for containing digging and spraying. The built-in handles make a large box easier to lift and empty during full litter changes.

Why it stands out

The real-world confirmation that this box is wider than competing XXL boxes is useful in a category where size claims are often unreliable. The handles are a practical feature that most large litter boxes lack.

Possible downsides

Plastic scratches over time. Not as large as the EGMEHOAD XXXL for very large Maine Coons.

Best for

Maine Coon owners who want a large, affordable plastic box with confirmed wide interior dimensions and practical carry handles.

What to look for in a Maine Coon litter box

Interior dimensions, not exterior. Many boxes marketed as XXL have thick walls that reduce the usable interior. Always check interior dimensions when available, and prioritize reviews that confirm large cat suitability over marketing copy alone.

Wall height. Walls around 8 to 14 inches give better containment for cats that dig aggressively or urinate high, while the entrance should remain comfortable to step through.

Material. Plastic is lighter and cheaper, while stainless steel is more resistant to scratching and retained odors. Either can work well for a Maine Coon if the box is large enough.

Entry height. For healthy adult Maine Coons, a side entry of 6 to 8 inches is fine. For senior Maine Coons or cats with mobility issues, look for an entry under 4 inches.

FAQ

What size litter box does a Maine Coon need?

A useful starting point is a box around 1.5 times your cat’s body length from nose to tail base. The key is enough usable floor space for your cat to enter, turn around, and position comfortably. If your cat cannot turn around and position comfortably without hanging over the entrance, the box is too small. Check reviewer accounts for large cat confirmation rather than relying on marketing size descriptions alone.

Can Maine Coons use a regular litter box?

Standard litter boxes can feel cramped for an adult Maine Coon, especially larger individuals. A cat that cannot turn around and position comfortably without hanging over the entrance will often step partially out of the box to reposition, causing messes outside it.

Do Maine Coons need a covered litter box?

Not specifically. Maine Coons that spray high benefit from tall side walls rather than a lid. An enclosed box contains scatter and odor but makes the interior feel smaller. If your Maine Coon is comfortable in enclosed spaces, the KITCATY XXL is the strongest enclosed option. If they prefer open spaces, the EGMEHOAD XXXL or IRIS USA XXL are better fits.

How often should you clean a Maine Coon’s litter box?

Scoop at least once daily, and more often depending on how quickly the box becomes soiled. Full litter changes every one to two weeks, with a full box wash at each change, keep odor manageable. For a general overview of all litter box types, see our best cat litter box guide.

Is stainless steel worth it for a Maine Coon litter box?

Stainless steel can be worth the extra cost if you want a box that resists scratching and retained odors. It is not essential. A sufficiently large, high-sided plastic box can work perfectly well if it gives your cat enough room. For top entry options, see our best top entry cat litter box guide.