What Car Seats Are Compatible with Mountain Buggy Strollers?

When it comes to choosing the right car seat for your Mountain Buggy stroller, compatibility is key. Parents want a seamless transition from car to stroller without compromising safety or convenience. In this ANB Baby guide, we break down which car seats are compatible with Mountain Buggy strollers, including the popular Mountain Buggy Nano, and highlight the adapters you'll need to create the perfect travel system. Plus, we'll show you where to shop for these essentials at ANB Baby!
What Car Seats Are Compatible with Mountain Buggy Nano and Other Mountain Buggy Strollers?
Mountain Buggy strollers are designed to work with a wide range of infant car seats, making them a versatile choice for parents. Below, we've outlined the top car seat brands and models that are compatible with Mountain Buggy strollers, including the Mountain Buggy Nano, Duet, Cosmopolitan, and more.

Mountain Buggy Compatible Car Seats: A Handy Comparison Chart
To make life a little easier, we're sharing a quick reference for parents to identify which car seats work with Mountain Buggy strollers and the adapters required. For updates, be sure to check the Mountain Buggy Car Seat Adapter Matrix.
Mountain Buggy nano strollers | Mountain Buggy nano duo strollers | Mountain Buggy swift strollers | Mountain Buggy 2015+ urban jungle strollers luxury collection and terrain | Mountain Buggy duet and duet luxury collection (2014+) strollers | Mountain Buggy cosmopolitan (2021+) and cosmopolitan plus strollers | |
---|---|---|---|---|---|---|
Mountain Buggy protect™ v3, protect™ v4 with i-Size (2023+) infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
protect™ and Maxi Cosi style connections car seat adaptor | protect™ and Maxi Cosi style connections car seat adaptor | single - universal car seat adaptor duet belt style twin - protect™ and Maxi Cosi style connections car seat adaptor |
protect™ and Maxi Cosi style connections car seat adaptor |
phil&teds alpha™ v3, alpha™ v4 with i-Size (2023+) infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
protect™ and Maxi Cosi style connections car seat adaptor | protect™ and Maxi Cosi style connections car seat adaptor | single - universal car seat adaptor duet belt style twin - protect™ and Maxi Cosi style connections car seat adaptor |
protect™ and Maxi Cosi style connections car seat adaptor |
Maxi-Cosi CabrioFix, Pebble, Mico AP infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
protect™ and Maxi Cosi style connections car seat adaptor | protect™ and Maxi Cosi style connections car seat adaptor | single - universal car seat adaptor duet belt style twin - protect™ and Maxi Cosi style connections car seat adaptor |
protect™ and Maxi Cosi style connections car seat adaptor |
Safe-n-Sound Unity infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
Universal Car Seat Adaptor | Universal Car Seat Adaptor | • | cosmopolitan UCSA |
Graco SnugRide Click Connect infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
Universal Car Seat Adaptor | Universal Car Seat Adaptor | single - universal car seat adaptor duet belt style twin - universal car seat adaptor duet (2x frames) |
cosmopolitan UCSA |
Graco SnugRide Classic Connect infant car seats | built in belt style strap | twin - universal car seat adaptor belt + frame | • | • | single - universal car seat adaptor duet (1x frame) twin - universal car seat adaptor duet (2x frames) |
cosmopolitan UCSA |
Cybex and Cybex Aton series infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
protect™ and Maxi Cosi style connections for Cybex Aton2 ONLY car seat adaptor Universal Car Seat Adaptor |
Universal Car Seat Adaptor | single - universal car seat adaptor duet belt style [NOT compatible with Cybex Aton] twin - protect™ and Maxi Cosi style connections car seat adaptor |
protect™ and Maxi Cosi style connections car seat adaptor |
Be Safe infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
• | • | • | protect™ and Maxi Cosi style connections car seat adaptor |
Nuna PIPA series infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
protect™ and Maxi Cosi style connections car seat adaptor | Universal Car Seat Adaptor | single - universal car seat adaptor duet belt style twin - protect™ and Maxi Cosi style connections car seat adaptor |
protect™ and Maxi Cosi style connections car seat adaptor |
Kiddy infant car seats | • | • | • | • | twin - protect™ and Maxi Cosi style connections car seat adaptor | cosmopolitan UCSA |
Peg Perego Primo Viaggio infant car seats | built in belt style strap | single - universal car seat adaptor nano duo belt style twin - universal car seat adaptor belt + frame |
Universal Car Seat Adaptor | Universal Car Seat Adaptor | single - universal car seat adaptor duet belt style | cosmopolitan UCSA |
*Note: Load lower car seat first, unload upper car seat first
Mountain Buggy Car Seat Adapter: What You Need to Know
To ensure your car seat fits perfectly with your Mountain Buggy stroller, you'll need the right Mountain Buggy car seat adapter. Here's a quick breakdown:
- Universal Car Seat Adapter: Works with most car seat brands, including Graco, Safe-n-Sound, and more. Available in single or twin configurations for Mountain Buggy Nano, Nano Duo, and Duet strollers.
- Protect™ and Maxi Cosi-Style Connections: Ideal for Maxi-Cosi, Nuna PIPA, and Cybex car seats.
- Cosmopolitan UCSA: Specifically designed for the Mountain Buggy Cosmopolitan and Cosmopolitan Plus strollers.
Shop Infant Car Seats Compatible With Mountain Buggy Strollers at ANB Baby
At ANB Baby, we carry a wide selection of infant car seats compatible with Mountain Buggy strollers, as well as the adapters you need to create a seamless travel system. Whether you're looking for the perfect car seat for your Mountain Buggy Nano or need a universal adapter for your Duet, we've got you covered. Ready to build your perfect travel system? Shop Mountain Buggy-compatible car seats and adapters at ANB Baby today!