Baby Gear

The Best Baby Stroller Second Seats

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Expanding your family means adapting your gear. A second seat for your baby stroller offers convenience and flexibility, allowing you to transport multiple children without sacrificing ease of use. Choosing the right one ensures comfortable and safe outings for everyone.

SaleNo. 1
Baby Trend Morph Single to Double Stroller Second Seat, Dash Black
  • 2nd Seat for MORPH Single-to-Double Modular Stroller ​
  • Also able to be a replacement seat for Passport Switch Stroller​
  • Converts to bassinet​ for added comfort for baby
  • 3-point mechanical and tether strap recline for easy adjustability
  • 3-point adjustable leg rest​ to suit your child's needs
  • Comfort Cabin with an oversized canopy with peek-a-boo window and visor​ and a multi-layered padded seat for true comfort sitting​
  • 5-point harness with padded shoulder strap covers
  • Removable bumper bar with leather cover​
No. 2
Momcozy ChangeGo Baby Stroller Second Seat Only | Extra Seat Attachment for ChangeGo Stroller | Adjustable...
  • Convert to a Double Stroller:Easily attach the Momcozy ChangeGo Second Seat to your ChangeGo stroller and transform it into a double stroller in seconds. Perfect for growing families, this extra seat provides a smooth ride for both children, making...
  • 5-Point Safety Harness:Designed with safety in mind, this second seat features a luxurious leather bumper bar and a 5-point harness, keeping your child securely in place. Whether you're strolling through the park or running errands, rest assured your...
  • Expandable UPF50+ Canopy:Shield your child from harmful UV rays with the extendable UPF50+ sun canopy, offering maximum sun protection for outdoor adventures. The adjustable design ensures your little one stays cool and comfortable on sunny days.
  • Breathable Mesh Window:Designed for ventilation and visibility, the built-in breathable mesh window promotes airflow and helps prevent overheating. It also allows parents to monitor their baby’s comfort without disruption.
  • Adjustable Leg Rest:The multi-position adjustable leg rest provides customized support for your child’s legs, ensuring ergonomic comfort at every stage. Whether sitting upright, reclining, or stretching out, your little one will enjoy a cozy and...
No. 3
Baby Jogger® Second Seat Kit, Converts City Select 2 Stroller into a Double Stroller, Full Size Stroller...
  • Converts your City Select 2 stroller into a double stroller with a full-sized second seat; seat holds child up to 45 lb. and includes a 5-point stroller seat harness
  • Extended UV 50+ canopy with peekaboo window keeps baby shaded; multi-position reclining seat and rotating calf support easily adjust
  • Integrated seatback pockets to hold baby's extras
  • Includes a second seat and mounting brackets
  • Maximum weight capacity for second seat is 45 lb.
  • Radiant Slate color
No. 4
Graco® Modes Nest2Grow Stroller Second Seat
  • Grows with family: Expand the Modes Nest2Grow Stroller or Travel System into a double stroller using this second seat; no adapters needed
  • Reversible stroller seat can face parent or the world, for just the right ride as baby grows
  • Pair with Modes Nest2Grow Stroller for over 15 ways to ride
  • Multi-position reclining seat ensures baby's comfort
  • Large canopy for sun protection
  • Removable child tray with cup holder holds baby's essentials and makes in and out easy
  • Stroller holds child up to 50 lb for years of strolling together
  • Convertible 3- or 5-point harness grows with your child, with harness covers for added comfort
No. 5
Graco® Modes Nest2Grow Stroller Second Seat, Maison
  • Grows with family: Expand the Modes Nest2Grow Stroller or Travel System into a double stroller using this second seat; no adapters needed
  • Reversible stroller seat can face parent or the world, for just the right ride as baby grows
  • Pair with Modes Nest2Grow Stroller for over 15 ways to ride
  • Multi-position reclining seat ensures baby's comfort
  • Large canopy for sun protection
  • Removable child tray with cup holder holds baby's essentials and makes in and out easy
  • Stroller holds child up to 50 lb for years of strolling together
  • Convertible 3- or 5-point harness grows with your child, with harness covers for added comfort
SaleNo. 6
Baby Trend Morph Single to Double Stroller Second Seat, Dash Grey
  • 2nd Seat for MORPH Single-to-Double Modular Stroller ​
  • Also able to be a replacement seat for Passport Switch Stroller​
  • Converts to bassinet​ for added comfort for baby
  • 3-point mechanical and tether strap recline for easy adjustability
  • 3-point adjustable leg rest​ to suit your child's needs
  • Comfort Cabin with an oversized canopy with peek-a-boo window and visor​ and a multi-layered padded seat for true comfort sitting​
  • 5-point harness with padded shoulder strap covers
  • Removable bumper bar with leather cover​
SaleNo. 7
Graco® Modes Nest2Grow Stroller Second Seat, Ren
  • Grows with family: Expand the Modes Nest2Grow Stroller or Travel System into a double stroller using this second seat; no adapters needed
  • Reversible stroller seat can face parent or the world, for just the right ride as baby grows
  • Pair with Modes Nest2Grow Stroller for over 15 ways to ride
  • Multi-position reclining seat ensures baby's comfort
  • Large canopy for sun protection
  • Removable child tray with cup holder holds baby's essentials and makes in and out easy
  • Stroller holds child up to 50 lb for years of strolling together
  • Convertible 3- or 5-point harness grows with your child, with harness covers for added comfort
SaleNo. 8
Baby Trend EZ Ride Travel System with EZ-Lift Infant Car Seat, Dash Grey
  • Versatile Design: 3-wheel stroller design provides superior maneuverability and easy turning for seamless navigation through crowded spaces.
  • Deluxe Parent & Child Trays: Covered parent tray with 2 cup holders and center storage, plus swing-away child tray with 2 cup holders for on-the-go convenience.
  • Premium Safety Features: Includes EZ-Lift infant car seat with 5-point safety harnesses, deep side wings, and EPS foam for optimal impact protection.
  • Comfortable & Adjustable: Padded stroller seat with multiple recline positions and height-adjustable handle for a custom fit.
  • Compact & Portable: Folds compactly for easy storage and transportation, with a large basket for all your essentials.
No. 9
Baby Jogger® City Select 2 Second Seat Kit - Harbor Grey
  • Converts your City Select 2 stroller into a double stroller with a full-sized second seat; seat holds child up to 45 lb. and includes a 5-point stroller seat harness
  • Extended UV 50+ canopy with peekaboo window keeps baby shaded; multi-position reclining seat and rotating calf support easily adjust
  • Integrated seatback pockets to hold baby's extras
  • Includes a second seat and mounting brackets
  • Maximum weight capacity for second seat is 45 lb.
  • Harbor Grey color

Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Baby Stroller Second Seats

Compatibility Considerations

Before purchasing a second seat, confirm its compatibility with your existing stroller model. Many brands offer specific second seat kits designed for their single strollers. Check the stroller manufacturer's website or product manual for a list of compatible models to avoid purchasing an unusable accessory.

Weight Limits and Age Appropriateness

Review the weight and age recommendations for the second seat. Ensure it can safely accommodate your child for the intended duration of use. Some second seats are designed for infants with the addition of an infant car seat adapter, while others are suitable for toddlers. Always adhere to the manufacturer's guidelines for safety.

Seating Configuration and Adjustability

Consider how the second seat will attach and how it affects the stroller's overall configuration. Some seats attach below the primary seat, while others can be positioned above or side-by-side, depending on the stroller system. Look for seats with adjustable recline positions and footrests to maximize your child's comfort, especially during longer trips or naps.

Frequently Asked Questions

Can any second seat be used with any stroller?
No, second seats are typically designed for specific stroller models or brands. It's crucial to verify compatibility with your stroller before buying a second seat to ensure a secure and proper fit.
What is the typical weight limit for a stroller second seat?
Weight limits vary by manufacturer and model, but generally range from 25 to 50 pounds. Always check the product specifications for the exact weight capacity to ensure safe use.
Are second seats suitable for newborns?
Some second seats can accommodate newborns when used with an infant car seat adapter or a bassinet attachment. Others are designed for older babies and toddlers who can sit upright independently.
How does adding a second seat affect stroller maneuverability?
Adding a second seat can increase the stroller's length and weight, potentially affecting its maneuverability. Test the stroller with the second seat attached in different environments to gauge how it handles turns and inclines.
Can I use a rumble seat with an older child?
Yes, many rumble seats are designed for toddlers and older children who can sit unassisted. Ensure the child's weight is within the seat's specified limits for safe operation.