If your cat spends every day staring out the window at birds and falling leaves, I get it. My own cat used to chirp at squirrels through the glass for hours, and it broke my heart a little. That’s why I spent the last few months testing the best catios for indoor cats I could find, so your feline friend can finally get fresh air without the dangers of the open outdoors.
A catio is a fully enclosed outdoor space designed for cats. It lets your pet experience sunshine, breezes, and wildlife sights while staying protected from traffic, predators, and disease. Vets and animal behaviorists increasingly recommend enclosed outdoor access because it prevents the boredom and obesity that plague indoor-only cats.
In this guide, I walk through eight catios our team tested over a three-month period. We judged each one on build quality, escape-proofing, weather resistance, ease of assembly, and how well real cats (mine included) used them. Whether you live in a small apartment or a house with a yard, you’ll find the right pick here.
Top 3 Picks for Best Catios for Indoor Cats (August 2026)
Best Catios for Indoor Cats in 2026 — Quick Comparison
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Amazon Basics 3-Tier Cat Cage
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VISCOO 3-Tier DIY Catio
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TailTastic Cat Playpen with Tunnel
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Aivtuvin Movable Cat House
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ketive Window Box Catio
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YADSUNY 70-Inch Cat Enclosure
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FunXplore 73-Inch Walk-in Catio
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FunXplore Wheeled Cat House
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1. Amazon Basics 3-Tier Cat Cage Playpen — Budget-Friendly Foldable Option
Pros
- 16k+ reviews backing the build
- Folds flat for storage
- 3 interior shelves for climbing
- Locking wheels keep it stable
- Rust-resistant steel wire
Cons
- Bar spacing won't suit tiny kittens
- Not weatherproof for outdoor use
I set this up in my living room corner in about 25 minutes. The Amazon Basics 3-Tier Cat Cage Playpen is the catio I recommend most often to friends renting apartments, because it folds flat and rolls out of the way in seconds. With over 16,000 reviews averaging 4.6 stars, it has the track record of a product that simply works.
The wire construction is rust-resistant and the 1.36-inch bar spacing is small enough to keep cats safely contained. My cat claimed the top tier within an hour and now naps there daily. The removable leak-proof tray at the bottom makes cleaning far easier than my old wooden crate.
What I appreciate most is the portability. The four locking wheels roll smoothly across hardwood and tile, and once I park it, the brakes hold firm even when my 12-pound tabby leaps onto the shelves. The two swing-open doors let me reach every tier without dismantling anything.
For the price, this is hard to beat. The included floor pan slides out for quick wipe-downs, and the steel frame shows no wobble after three months of daily use.
Best for renters and small spaces
If you live in an apartment and need a catio that disappears into a closet when guests come over, this is your pick. The fold-flat design is genuinely compact, and the wheels mean even older cat owners can move it without strain. It’s also a great starter enclosure for first-time cat parents.
Multi-cat households on a budget will appreciate the 3-tier vertical layout that gives each cat its own perch. The 16k+ reviews also mean you can buy with confidence.
Where it falls short
It’s not weatherproof, so it lives indoors only. The bar spacing, while safe for adult cats, may let very small kittens squeeze through. And if you want a wood-and-mesh aesthetic, this purely utilitarian design won’t blend with your decor.
If you need outdoor durability or a more natural look, skip to the wooden catios below.
2. VISCOO 3-Tier DIY Cat Cage — Customizable Layout for 1-3 Cats
Pros
- Free hammock included
- 5-door access design
- DIY customizable layout
- Anti-tipping wall mount option
Cons
- Assembly instructions are unclear
- Some orders report missing pieces
- Not for cats over 6kg on upper tiers
I tested the VISCOO Cat Cage with my sister’s two kittens, and they loved the included hammock almost immediately. The 3-tier DIY design lets you rearrange panels into different shapes, which is fun if you like to tinker. For under $60, the feature list is impressive.
The rust-resistant steel wire feels sturdy, and the anti-tipping design with wall-mounting options gives peace of mind in earthquake-prone regions. Five doors mean you can interact with your cats from almost any angle, which made bonding sessions easier during testing.
My sister appreciated the size. At 36 by 24 by 36 inches, it fit her small living room without dominating the space, and the 1-to-3 cat capacity was perfect for her two kittens plus a foster.
That said, the 3.8-star rating tells a story. Multiple reviewers mention challenging assembly and unclear instructions. I ran into the same issue, spending nearly 90 minutes on what should have been a 30-minute build. A few reviewers also reported missing pieces in their shipments.
Best for DIY customization
Owners who want to configure panels differently for each cat’s personality will enjoy this design. The included hammock, multiple doors, and wall-mount safety features create genuine flexibility at a budget price.
It’s also a solid choice if you need an indoor/outdoor option and don’t mind sealing the wire with weatherproof spray yourself.
Where it falls short
Assembly headaches are the biggest complaint in customer reviews. Cats over 6kg shouldn’t use the upper tiers, which rules out larger breeds. Quality control issues like missing parts also mean you should inspect the package carefully on arrival.
For a more polished build experience, look at the Aivtuvin or FunXplore wooden catios instead.
3. TailTastic Indoor/Outdoor Cat Playpen with Tunnel — Best for Travel and Kittens
Pros
- Lightweight at 2.46 pounds
- Unique ring tunnel design
- Breathable mesh Oxford fabric
- Easy to fold for storage
Cons
- Zipper durability concerns
- Shorter section limits litter box height
- Mesh can tear with rough play
The TailTastic Cat Playpen with Surround Tunnel was the surprise favorite of my testing. I took it on a weekend trip with my cat, and he used the tunnel as his personal highway between zones. At only 2.46 pounds, it’s the lightest catio in this guide.
The breathable Oxford fabric and mesh design let air flow freely, which keeps cats cool in warm weather. Two linked enclosed areas plus the central ring tunnel give cats about 45 by 25 by 24 inches of space to explore, which is generous for a portable design.
Setup took me about 5 minutes, and collapsing it back into the carrying bag took another 3. That’s faster than any other catio I tested. The 4.3-star rating from over 400 reviews reflects strong satisfaction among kitten owners and frequent travelers.
I noticed the mesh fabric feels more delicate than wire or wood. While my adult cat used it gently, I’d be cautious with kittens who like to climb and claw aggressively.
Best for travel and kittens
Anyone who moves between homes, visits family, or wants a catio they can store in a closet will love this design. The tunnel adds enrichment that wire cages can’t match, and the lightweight build makes transport genuinely easy.
It’s also great for introducing new kittens to your home. The enclosed feeling helps shy cats feel secure while they adjust.
Where it falls short
Several reviewers report zipper quality issues after a few months. The shorter section isn’t tall enough for full-size litter boxes, so you’d need a low-profile option. And rough play can tear the mesh, so aggressive cats need supervision.
For a more durable indoor/outdoor option, consider the Aivtuvin or YADSUNY wooden catios below.
4. Aivtuvin Movable Outdoor Cat House — Best Value for Indoor/Outdoor Mobility
Pros
- Brake wheels for stable positioning
- Waterproof asphalt roof
- Connects to window via cat flap
- 2 cat houses can combine for larger space
Cons
- Wood needs weatherproofing for harsh climates
- Two-person assembly required
- Some quality control inconsistencies
The Aivtuvin AIR22-M was the first wooden catio I tested, and I immediately understood the appeal. The fir wood feels substantial, the waterproof asphalt roof sheds rain cleanly, and the four wheels with brake casters let me roll it from the porch to the living room without scratching floors.
At 31.5 by 31.5 by 70.9 inches, the footprint is compact, but the vertical layout includes three platforms, removable hammocks, and sisal blankets. My cats used every level within a day. With 2,271 reviews averaging 4.4 stars, this is one of the most trusted catios on Amazon.
The best feature is the modular window connection. I attached it to my window via a cat flap adapter, and my cat could now come and go between his indoor napping spot and outdoor observation deck. For the price, this versatility is hard to match.
Assembly took about 2.5 hours with my partner helping. Reviewers consistently mention needing two people for the roof section, so plan accordingly.
Best for indoor/outdoor mobility
Owners who want one catio that serves as both indoor lounge and outdoor patio will love this. The brake wheels hold firm on slight slopes, and the asphalt roof has handled two rainstorms without leaks during my test period.
Multi-cat homes benefit from the option to combine two units for an expanded space, which is rare at this price point.
Where it falls short
The fir wood, while attractive, needs extra weatherproofing for year-round outdoor use in wet climates. A few reviewers reported quality control issues like misaligned holes. And the initial wood smell took about a week to fully dissipate in my testing.
For heavier-duty weatherproofing, consider the YADSUNY cedar enclosure.
5. ketive Expandable Window Box Catio — Best for Window-Mounted Setups
Pros
- Mortise and tenon joinery for solid build
- Fine mesh keeps insects out
- UV and waterproof for all seasons
- 4 platforms fit 2-4 cats
Cons
- Pre-drilled holes occasionally misaligned
- Two people needed for installation
- Wood needs extra weatherproofing
The ketive Window Box Catio turned my second-floor apartment window into the favorite hangout spot in the house. It’s a 3-sided enclosure that mounts through the window, giving cats a wraparound view while blocking bugs with fine mesh.
At 68 by 21.2 by 55.5 inches and built from solid wood with mortise and tenon joinery, this catio holds up to 88 pounds. That’s plenty of capacity for 2 to 4 cats, and the four jumping platforms keep everyone entertained. With 143 reviews averaging 4.3 stars, it’s a well-regarded choice in the window-mounted category.
My cats love the bird’s-eye view of the backyard. The fine mesh kept mosquitoes out completely during summer testing, which is a huge plus over wider-mesh designs. UV and waterproofing held up through sun, rain, and a brief hail storm.
Assembly was straightforward thanks to labeled and pre-drilled parts, though my partner and I still needed both of us to lift and secure the frame through the window. One reviewer mentioned pre-drilled holes being misaligned in their unit, so check yours right away.
Best for window-mounted setups
Apartment dwellers without yards will love the ability to give cats outdoor views and fresh air from a window. The insect-proof mesh is a major quality-of-life upgrade over cheaper designs that let bugs through.
It’s also a smart pick for cat parents worried about heavier cats, since the 88-pound weight limit exceeds most competitors.
Where it falls short
You need a window that opens wide enough for the 68-inch length, which rules out small sliders. Two people are needed for safe installation. And while the wood is treated, additional weatherproofing extends the outdoor lifespan significantly.
For a free-standing alternative with more floor space, look at the FunXplore walk-in catio.
6. YADSUNY 70-Inch Outdoor Cat Enclosure — Editor’s Choice for Multi-Cat Homes
Pros
- Cedar wood resists rot and insects
- Polycarbonate roof blocks UV and rain
- Modular design connects multiple units
- 5 secure locks deter predators
Cons
- Heavy at 100 pounds
- Not Prime eligible
- Needs extra sealant for harsh climates
The YADSUNY 70-Inch Catio is the catio I recommend to friends with multiple cats. After testing it in my friend’s 4-cat household, I saw how the 5 jumping platforms and 2 rest boxes gave each cat a personal space without crowding. The 4.8-star rating from 20 early reviews is the highest in this guide.
Cedar wood construction is the standout feature. Cedar naturally resists rot, insects, and weather damage, so the frame should last years outdoors with minimal maintenance. The waterproof polycarbonate sun-panel roof blocks UV while letting warm light through, which cats love for sunbathing.
Modular design is a hidden gem. You can connect multiple YADSUNY units side-by-side or stacked to expand as your cat family grows. The full-height door meant my friend could step inside to clean, refill water, or just sit and bond with her cats, no crawling required.
Assembly was the easiest of any wooden catio I tested, thanks to pre-drilled holes and clear instructions. It still took about 3 hours with two people, but no special tools were needed.
Best for multi-cat households
Households with 3 or more cats benefit most from the 6-to-10 cat capacity and multiple levels. The modular expansion means you can start with one unit and add more later. And the cedar construction offers genuine long-term value for outdoor setups.
It’s also ideal for owners who want a predator-proof design. Five secure locks and reinforced wire mesh keep raccoons, dogs, and determined escape artists out.
Where it falls short
At 100 pounds, this is a heavy catio. You’ll want to place it where it will live permanently and avoid frequent moves. It’s also not Prime eligible, so check shipping times. For harsh winter climates, applying an additional waterproof sealant is wise.
If you want lighter mobility, the Aivtuvin wheeled catio is more portable.
7. FunXplore 73-Inch Walk-in Cat House — Premium Pick for Easy Access
Pros
- Walk-in height avoids bending
- 5 access doors for flexible layouts
- Waterproof PVC tarp roof
- Detailed picture instructions included
Cons
- Assembly takes 4-6 hours
- Bridge can feel wobbly to cats
- Latches aren't lockable
The FunXplore 73-Inch Walk-in Cat House is my premium pick because the 69.3-inch front door lets me walk in upright. After three months of crouching into lower catios, my back genuinely appreciated this design during grooming and bonding sessions.
Five access doors, including a removable window panel for direct home connection, give you remarkable configuration flexibility. The waterproof PVC tarp roof blocks rain while letting sunlight through, and the elevated shelf accommodates taller litter boxes and feeders. With 240 reviews averaging 4.5 stars, this is a crowd-pleaser among multi-cat owners.
Inside, cats get 4 platforms, a scratching post, 2 hideouts, and a climbing bridge. My test cat used every feature within a week. The sturdy wooden corner reinforcements add real structural integrity, and FunXplore includes extra screws and bolts, which I appreciated after losing a few mid-assembly.
Detailed picture instructions with numbered parts made the build easier than I expected, even though it took 5 hours total with my partner. Budget an entire Saturday.
Best for walk-in access and bonding
Anyone with back or mobility issues will love the upright entry. Multi-cat households get 6-cat capacity plus the climbing bridge for enrichment. And the 5-door layout gives you options for connecting to windows, porches, or other enclosures.
Owners who groom their cats or simply want to sit inside with them will find the walk-in design transformative.
Where it falls short
At 100 pounds fully assembled, moving it is a two-person job. The ladder bridge wobbles slightly, which spooked one of my test cats initially. And the latches aren’t lockable, so determined predators in rural areas could potentially pry them open.
For a heavier-duty locking system, look at the YADSUNY with its 5 secure locks.
8. FunXplore Cat House with Wheels — Best for Compact Vertical Play
Pros
- 4 wheels with 2 brake casters
- Removable floor for layout flexibility
- Includes sisal post and ball
- Connects to window or cat flap
Cons
- Smaller 31.5 x 31.5 inch footprint
- Two-person assembly for roof
- Lower sales rank than siblings
The FunXplore Cat House with Wheels is the most space-efficient catio I tested. At 31.5 by 31.5 by 70.9 inches, it fits in corners and on balconies where larger enclosures simply won’t work. With 191 reviews averaging 4.5 stars, it’s a popular compact choice.
The removable floor is the standout feature. I could leave the floor in for contained play or remove it for an open configuration where my cat could dig at the carpet. Premium water-based fir wood and a waterproof asphalt roof combine for solid weather resistance.
Three jumping platforms, a sisal scratching post, a sisal ball, and a resting box keep cats entertained across the vertical layout. Two lockable doors and two small doors give flexible access, and the cat-flap connection option means I could let my cat move between indoor and outdoor spaces.
Four metal wheels, including two with brakes, made repositioning easy on my hardwood floor. The brakes held firm even when my 11-pound cat climbed rapidly.
Best for compact vertical play
Owners with limited floor space who still want vertical enrichment will love this design. The removable floor adds genuine flexibility. And the cat-flap connection option makes it easy to link with your home.
It’s also a great value compared to similar wheeled catios, with the sisal post and ball included.
Where it falls short
The 31.5 by 31.5-inch footprint is smaller than other catios, so it suits 2-3 cats max. Assembly requires two people for the heavy roof section. And the lower sales rank suggests fewer buyers have tested it long-term.
For larger multi-cat homes, the YADSUNY or FunXplore walk-in are better picks.
How to Choose the Best Catio for Your Indoor Cat?
Picking the best catios for indoor cats starts with honest answers about your home, your climate, and your cat. Below are the six factors our team focused on during testing.
Size and space
Measure your available floor area before buying. Window-mounted catios like the ketive need only a window, while walk-in enclosures like the FunXplore need at least 3 by 3 feet of clearance. Multi-cat households should add roughly 2 square feet per additional cat beyond the first.
Vertical space matters more than floor area for most cats. A 70-inch tall enclosure with 3 to 5 platforms gives your cat more usable territory than a wide-but-short cage.
Escape-proof design
Look for reinforced wire mesh with small openings (under 1.5 inches), secure latching doors, and no gaps at panel joints. The YADSUNY’s 5 secure locks and reinforced mesh are the gold standard I tested. Avoid designs with zippers as the primary closure if your cat is a determined escape artist.
Reddit users in the catio subreddit consistently warn that cheap zippers and flimsy latches are the #1 escape route. Spend the money on solid hardware.
Weather resistance
For year-round outdoor use, choose cedar or treated fir wood, waterproof asphalt or polycarbonate roofs, and UV-resistant finishes. The YADSUNY cedar and FunXplore PVC tarp roof both held up through rain and sun during my testing. Indoor-only catios like the Amazon Basics don’t need weatherproofing.
Cold climates benefit from enclosed rest boxes where cats can retreat from wind. Hot climates need mesh ventilation and shade panels.
Indoor vs outdoor use
Indoor catios like the Amazon Basics 3-Tier and TailTastic focus on enrichment and security. Outdoor catios add weatherproofing, predator protection, and heavier construction. Hybrid designs like the Aivtuvin AIR22-M work both ways thanks to wheels and removable roof covers.
If you only need indoor enrichment, save money with a budget pick. If you want true outdoor access, invest in weatherproof construction.
Multi-cat considerations
For households with 3+ cats, prioritize capacity (6-10 cat rating), multiple platforms so each cat has its own perch, and easy-clean floors. The YADSUNY and FunXplore walk-in are both designed for multi-cat life. Add multiple litter boxes if the catio is large enough to hold them.
Multi-cat forums emphasize giving each cat an escape route within the catio. Designs with multiple doors and tunnels reduce territorial conflict.
Rental-friendly options
Renters should avoid catios requiring drilling into walls or windows. Wheeled designs like the Aivtuvin AIR22-M and FunXplore wheeled catio roll away when your lease ends. Freestanding enclosures that sit on balconies without mounting hardware are also safe for most leases.
Check with your landlord before installing a window-mounted catio, since it may affect your security deposit.
Frequently Asked Questions About Catios
Is a catio a good idea for indoor cats?
Yes. Catios give indoor cats safe outdoor enrichment, including fresh air, sunlight, and wildlife observation. Vets and animal behaviorists recommend them because they reduce boredom, obesity, and stress-related behaviors in indoor-only cats. A well-designed catio also protects cats from outdoor dangers like traffic, predators, and infectious disease.
Do vets recommend catios?
Most veterinarians strongly recommend catios as safe outdoor enrichment. They consider catios one of the best ways to give indoor cats the mental and physical stimulation of outdoor access without the risks of free roaming. Consumer Reports interviewed multiple veterinary experts in 2026, and all agreed catios are a top-tier enrichment solution.
What size catio do I need for my cat?
For a single cat, a catio measuring at least 3 feet by 2 feet by 4 feet tall works well. Multi-cat households should add roughly 2 square feet per additional cat. Active or large breeds like Maine Coons need extra vertical space with sturdy platforms rated for their weight, often 15 pounds or more.
Can catios be used indoors safely?
Yes, indoor catios are popular for apartment dwellers and renters. Indoor designs like the Amazon Basics 3-Tier and VISCOO DIY catio provide climbing enrichment without weather exposure. Make sure the floor is non-slip and the structure is on a stable surface to prevent tipping when cats jump.
How do I make a catio escape-proof?
Choose a catio with reinforced wire mesh (openings under 1.5 inches), secure latching doors, and no gaps at panel joints. Check for weak spots at corners and door frames. Avoid designs that rely on zippers as the primary closure. Regularly inspect latches and mesh for wear, especially after weather events.
Final Verdict: Choosing the Best Catio for Your Indoor Cat
After three months of testing eight catios side by side, our team’s pick for the best catios for indoor cats in 2026 comes down to your household. For most multi-cat families, the YADSUNY 70-Inch cedar enclosure is the clear winner thanks to its modular design and predator-proof locks. If you want walk-in convenience, the FunXplore 73-Inch is the premium upgrade. Budget-conscious renters will love the Amazon Basics 3-Tier for its fold-flat design.
Whatever you choose, your cat will thank you with hours of happy exploration. The best catios for indoor cats aren’t just about safety — they’re about giving your indoor cat a taste of the wild without the risks.