There’s something magical about sisters sharing a room.
I remember my own childhood when I squished into a tiny space with my little sister.
I was hogging the blankets and giggling at midnight with her.
Those memories weaved a bond that’s still a thread in my life today.
When I think about those shared rooms now, I see how the right style can turn chaos into something beautiful.
The key is to find a rhythm that feels like them instead of forcing them to match.
These rooms are where they’ll laugh, dream, and maybe bicker a little too.
So I’ve wandered through my own memories and curated from some resources to gather these 13 big sister little sister bedroom ideas.
Designing a bedroom for a big sister and little sister doesn’t mean fitting two beds into four walls.
It’s a space that holds their differences and their closeness all at once.
So let’s get started!

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1. The Cozy Cottage Escape Bedroom

I’m all about that warm countryside charm.
The setup has weathered wood beds painted soft sage green.
Little sis gets pink quilts and big sis gets blue ones.
The walls are creamy beige with a fun mix of frames showing off their drawings.
A woven rug keeps it cozy underfoot.
Big sis has a corner desk for her books while little sis has a basket for her stuffed buddies.
I’d make it real by going to thrift stores for old wooden beds and slapping on a quick paint job.
You can snag quilts from a local shop or borrow from family.
My mom’s attic was a jackpot when I was little.
Grab some cheap frames and let the girls doodle to their hearts’ content.
The desk and basket are easy to find online or at garage sales.
My sister and I had mismatched gear in our room and it felt so us.
Keep it laid-back.
Those little quirks like a wobbly frame make it their own cozy storybook nook.
2. The Dreamy Canopy Retreat Bedroom

I’ve been obsessed with canopies forever.
The room features twin beds with sheer flowy fabric.
Big sis gets lavender and little sis gets peach.
Fairy lights twinkle overhead and plush velvet pillows rest on a shaggy ivory rug.
Big sis pins up her photos and little sis stashes dolls underneath.
I’d bring it to life by grabbing curtain panels from a home store and hooking them over the beds with a tension rod.
No fancy setup needed.
Battery-powered fairy lights are my go-to since they’re safe and dreamy.
I strung lights in my room as a kid and it felt like sleeping under stars.
Add pillows and a rug from any affordable spot.
I’d test those lights at night with the girls to lock in that glowy vibe.
It’s their whimsical hideaway perfect for secret chats.
3. The Modern Minimal Bedroom


I love how less can feel like more.
The space includes low white platform beds.
Big sis has a mustard throw and little sis has a coral one.
The walls stay bare except for one bold abstract print and a shared shelf holds their stuff.
A woven basket in the corner keeps blankets handy.
I’d snag those beds from IKEA since they’re cheap and sleek.
Simple bedding with those colorful throws works great and you can find them anywhere.
Hang a cool print from a local artist or thrift shop.
A long shelf is a quick DIY with brackets.
I’ve done it with my dad and it’s a snap.
4. The Vintage Storybook Nook Bedroom




Love old-school vibes?
I spent so much time going to many antique shops for those quirky beds and repaint them if they’re rough.
The room has mismatched iron beds.
One’s faded rose and the other’s dusty teal.
Ruffled bedding feels straight out of a fairy tale.
A vintage trunk holds their treasures and peeling floral wallpaper lines the walls.
A rocking chair waits for storytime.
Ruffled bedding is an easy online grab and I like to slap up peel-and-stick wallpaper for that vintage flair.
A rocking chair from a yard sale wraps it up.
My grandma’s old trunk was my hideout as a kid.
Just nostalgia.
Bubbly wallpaper ties everything together.
Big sis reading to little sis makes this a heart-melter.
5. The Boho Adventure Den Bedroom


I’m so into free-spirit energy.
The setup includes beds with mismatched patterned duvets and macramé hangings in cream and terracotta and sage.
A teepee with fairy lights stands in the corner.
Layered rugs cover the floor and a shelf holds plants and trinkets.
Big sis’s Polaroids and little sis’s fort gear.
I mix duvets from discount stores.
Hang macramé from a DIY or online find and set up a cheap teepee with lights.
I choose layer rugs from secondhand spots and add a shelf for their goodies.
My sister and I both loved fort-building.
I’d let it get a little wild but check the teepee’s sturdy so it holds up during playtime.
6. The Coastal Breeze Bedroom

You can almost smell the ocean here.
The room features beds with crisp white linens and navy-seafoam striped throws.
The walls are pale blue and driftwood shelves hold shells.
A rope hammock chair hangs in the corner.
I’d grab white bedding from anywhere and add those striped throws.
Target’s got cute ones.
Paint the walls light blue with sample pots for cheap and DIY shelves with wood scraps.
A hammock chair is a fun find but I love to check its weight limit.
I hung a hammock once and it was my chill zone for ages.
Too much stuff kills the airy feel so I will keep it light and test that hammock first for safety.
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7. The Artist’s Loft Studio Bedroom

The space has simple black metal beds against a chalkboard-painted wall for doodling.
Bright cushions add pop colors to the room and a gallery of their art covers the walls.
A shared table sits ready for paints and sketchbooks.
I grab those bedframes on a budget and paint a wall with chalkboard paint.
Toss on colorful cushions mixing it up and tape their art everywhere.
A thrifted table between the beds is perfect for spills.
My old art corner was a mess and I loved it.
8. The Enchanted Forest Hideout Bedroom


I’m head over heels for this dreamy vibe.
The room includes beds with carved wooden headboards and mossy green and berry red blankets.
A wall with woodland decals has foxes for big sis and bunnies for little sis.
Faux vines with tiny lights hang overhead and a trunk holds their treasures.
You can opt for wooden beds online and layer on those earthy blankets.
Stick up peel-and-stick decals for ease and drape vines with lights.
9. The Retro Playhouse Vibe Bedroom

The setup has beds with curvy headboards in mustard yellow and teal and groovy bedding.
A shag orange rug ties everything together.
A lava lamp glows on their nightstand and vinyl records or posters line the walls.
You can buy bold bedframes online and pile on retro bedding from thrift stores.
A shag rug and lava lamp are musts.
I had one as a teen and I loved it!
Hang posters or records for cheap flair.
I recommend picking sturdy frames since those curves can wobble if they’re flimsy.
10. The Galactic Explorer Base Bedroom

If you love space vibe, go for this!
The room features dark blue duvets with glow-in-the-dark stars.
A rocket pillow for big sis and a moon for little sis.
The ceiling has a constellation mural and a telescope sits by the window.
A soft black rug feels like the night sky.
You can buy starry bedding online.
When I was a kit, I loved sticking glow stars everywhere in my bedroom to make it shine.
Paint a constellation or use decals and add a telescope even if it’s a toy one.
Finally, use a rug to tie it all in.
My first star batch barely glowed so I’d test them at night.
They’ll plot cosmic adventures in this bold dreamy base.
11. The Parisian Chic Suite Bedroom


Search for a classy vibe? Keep reading!
The space has tufted headboards in soft gray for big sis and pale pink for little sis piled with silky cushions.
A tiny chandelier sparkles above and subtle striped walls set the scene.
A vanity waits for braids and dress-up.
I found tufted beds online or DIY with fabric and then piled on cushions.
Hang a battery-powered chandelier for safety and stripe the walls with paint or decals.
Add a vanity.
I used a hand-me-down as a kid and loved it.
12. The Garden Bloom Bedroom

I can’t get enough flowers with this one.
The room includes beds with floral duvets in rose and lavender and soft mint walls.
A faux bloom garland stretches across and a wicker chair with cushions sits in the corner.
An earthy rug grounds it all.
I grab floral bedding anywhere and paint the walls mint for that fresh feel.
String up garland since it’s cheap and cute and add a wicker chair and rug.
Big sis can journal and little sis can water a plant.
13. The Eclectic Harmony Bedroom

I’m here for the chaos that somehow works.
The setup has one modern bed with a neon cushion and one vintage with a quilt.
Striped walls on one side and polka dots on the other blend with a bold rug.
A bookshelf with their books and toys as a center to add a personal touch to your room!
You can mix beds from anywhere picking one new and one old and toss on wild bedding.
Paint or decal those patterns since I’d freehand it for fun and add a rug to tie it together.
Final thoughts
I had so much fun rethinking these 13 ideas for you.
My sister and I shared a room growing up and our spot was this wild mix of hand-me-downs and big dreams.
It wasn’t perfect by a long shot but it was ours.
That’s what these rooms are all about: a cozy nook that’s totally them, full of their giggles and their bond.
I loved digging into each one, from the cozy cottage vibes to the eclectic chaos, and I hope you found a fave or two.
You can tweak them however you want or mix and match to fit your children’s style.
This post contains Amazon affiliate links, meaning I may earn a small commission if you purchase through my links, at no extra cost to you.