25 DIY Crochet Swimsuit Patterns

Adriana Maronese  - June 20, 2025

Growing up in the Caribbean, the beach was part of everyday life. It wasn’t just where we swam—it’s where we celebrated, relaxed, connected. And what we wore mattered. Swimwear was never just functional—it was a form of self-expression, a way to show a little personality with every wave and breeze.

That’s what I love most about crochet swimwear. Whether it’s a flirty bikini or a romantic one-piece, making something with your own hands adds meaning. It becomes more than just an outfit—it’s something you’ve shaped, stitch by stitch, to reflect who you are and how you want to feel. Bold, soft, playful, powerful—whatever the vibe, there’s a pattern to match.

Crochet swimwear isn’t just about summer style—it’s about crafting confidence, comfort, and a little bit of magic you can wear.

Here are my 25 favorite crochet swimsuit patterns!

01

Sweetheart Bikini Top Crochet Pattern

Turn heads and melt hearts with this vibrant sweetheart bikini top! Featuring retro rainbow vibes and a flirty heart-shaped design, this beginner-friendly pattern is perfect for your next beach day or festival look. Grab your favorite yarn and hook some love into your summer wardrobe!
Size: Medium
Difficulty: Easy
Paid Pattern
02

Micaela Bikini Top and Shorts

Serving soft girl vibes all summer long. This sweet and simple crop top is giving major Y2K-meets-cottagecore energy with that cute scalloped edge and pastel pink moment. Pair it with matching bottoms for the ultimate handmade beach ‘fit. Bonus? It’s a free pattern—aka zero guilt for adding to your WIP pile.
Size: Large
Difficulty: Easy
Free Pattern
03

Beachwear Crochet Pattern Bundle

Why choose one look when you can have five? This crochet pattern bundle is THE beach-to-brunch vibe: we’re talking breezy skirts, lacy tops, cheeky sets, and a matching bag to flex your handmade drip. Perfect for your next vacay, festival, or just twirling around the house like a goddess
Size: Large
Difficulty: Intermediate
Paid Pattern
04

Starfish Boho Bikini

Bold, cheeky, and totally handmade—this boho bikini is giving island goddess energy. With flirty lace details and a comfy, sculpted fit, it’s made for sun-soaked days, salty hair, and spontaneous beach trips. Add some wooden beads or a shell anklet and you’re basically a mermaid.
Size: Large
Difficulty: Intermediate
Paid Pattern
05

The Sassy Summer Bikini

This bikini? She’s not shy. Bright, bold, and full of attitude, the Sassy Summer Bikini is made for soaking up sun and turning heads. That rainbow yarn? A whole moment. Perfect for beach days, pool hangs, or just vibing in your backyard with a fruity drink in hand. Oh, and the best part? It’s free. You’ve got no excuse not to make one.
Size: Large
Difficulty: Easy
Free Pattern
06

Vega Crochet Bikini Top

Simple, comfy, and totally wearable—this bikini is all about chill summer vibes. The Vega set is a no-frills, flattering fit that works just as well for a dip in the pool as it does under a breezy cover-up at brunch. Think of it as the “cool girl” of crochet swimwear.
Size: Large
Difficulty: Easy
Free Pattern
07

Lycra Crochet Swimsuit

This one’s for the girls who don’t just lounge—they move. Whether you're paddle boarding, beach volleyballing, or just chasing waves, this lycra + crochet combo gives you that secure, sporty fit without sacrificing style. The bold stitching? Total showstopper. The structure? Chef’s kiss. Perfect for bright yarns and high-energy days.
Size: Large
Difficulty: Intermediate
Paid Pattern
08

So Boho Bikini

Fringe, flair, and full-on festival energy. The So Boho Bikini is made for dancing barefoot in the sand, catching golden hour selfies, and channeling your inner wild spirit. Whether you're heading to Burning Man or just vibing in your backyard, this top brings that dreamy, handmade magic. Pairs perfectly with layered necklaces, dusty boots, and good vibes only.
Size: Large
Difficulty: Intermediate
Paid Pattern
09

Santorini Striped Bikini

Ciao, sunshine. This striped beauty is giving vintage Riviera meets dreamy Greek getaway. With clean lines, thin straps, and that classic 70s silhouette, it’s the perfect top for sipping Aperol spritzes by the sea or cruising cobblestone streets on a Vespa. Bellissima! Minimalist, timeless, and effortlessly cool—just like summer should be.
Size: Large
Difficulty: Easy
Paid Pattern
10

Marina Crochet Bikini Top and Brazilian Bottom

Chic. Sculpted. Brazilian. The Marina bikini brings that flawless, sun-kissed silhouette with a high-fashion twist. Featuring a snug ribbed texture, scalloped edging, and cheeky cut, this set is all about showing off your stitches and your curves. Perfect for beach days, yacht days, or just feeling like the baddie you are.
Size: Large
Difficulty: Intermediate
Paid Pattern
11

High Waist Crochet Bikini Bottom

Only got 2 hours? No problem. This high-waisted cutie works up fast and still brings all the beachy vibes. It’s comfy, flattering, and gives just the right amount of cheek—aka perfect for last-minute vacay prep or spontaneous swim days.
Size: Medium
Difficulty: Easy
Free Pattern
12

Vintage 1970 Crocheted Bikini Pattern

She’s a Dancing Queen, young and sweet, only seventeen! This vintage bikini is straight outta the grooviest decade—think beach discos, sun-kissed skin, and bold granny square glam. The high-waisted bottoms and triangle top bring maximum retro flair, perfect for your inner 70s icon. Pair with oversized sunnies, platform sandals, and a Bee Gees playlist. You’re welcome.
Size: Large
Difficulty: Intermediate
Paid Pattern
13

Crochet Bralette Cups

Cute, comfy, and goes with everything. This crochet bralette is your summer wardrobe’s new BFF—wear it as a bikini top, under overalls, with flowy skirts, or even layered under a sheer tee. From beach days to brunch dates, she’s got range. Great for beginners, made to be worn on repeat.
Size: Medium
Difficulty: Easy
Paid Pattern
14

Flower Cutout Crochet Bikini Top

Boho with a twist (literally). This breezy halter features a floral cutout that’s equal parts sweet and sassy. Whether you're heading to a music fest, beach bonfire, or just feeling cute at home, this top brings all the carefree vibes. Beginner-friendly with a full video walkthrough—perfect for a cozy craft day.
Size: Medium
Difficulty: Easy
Free Pattern
15

The Equinox Top

Golden hour, but make it wearable. The Equinox Top blends structure and softness with pretty shell stitches, comfy coverage, and delicate details. Whether you’re chasing sunshine or layering for that effortless boho vibe, this top brings main character energy all season long. Lightweight, lacy, and totally free to make.
Size: Medium
Difficulty: Intermediate
Free Pattern
16

DIY One Piece Swimsuit

Sun-worshipper approved. This handmade stunner features dreamy shell cups, vintage-inspired motifs, and just the right amount of peekaboo lace. Whether you’re lounging in Tulum or styling it as a bodysuit at a summer party, this one-piece turns every entrance into a moment. Comes with a full video tutorial so you can stitch it up stress-free.
Size: Large
Difficulty: Intermediate
Paid Pattern
17

Ocean Crest Crochet Top

Serving major Jane Austen at a beach picnic energy. With its off-shoulder fit and flouncy lace ruffles, this top is made for soft summer days, cottagecore selfies, and sipping iced tea under a parasol. Feminine, floaty, and surprisingly easy to make with the step-by-step video tutorial. Perfect for ruffle-lovers, hopeless romantics, or anyone who wants to feel like the main character.
Size: Medium
Difficulty: Easy
Free Pattern
18

Mermaid Dream One Piece Swimsuit

This one-piece is all about soft curves and beachy details. The shaping is super flattering, and the lacy texture gives it a dreamy, handmade feel. Want to make it extra special? Add pearls or beads for a subtle mermaid sparkle. Great for confident beginners, and easy to customize.
Size: Large
Difficulty: Intermediate
Paid Pattern
19

Easy Crochet Monokini Tutorial

This isn’t your average swimsuit. With its daring cut and openwork center, this monokini is made to turn heads. It’s sexy, fun, and surprisingly beginner-friendly thanks to the full step-by-step video. Wear it to the beach, a festival, or just because you can. Confident vibes only.
Size: Large
Difficulty: Intermediate
Free Pattern
20

Ariella Mermaid Crochet Bikini Top and Bottom

If mermaids had boutiques, this would be the best-seller. The Ariella Bikini is elegant, textured, and ridiculously detailed—with scale-like stitching that looks straight off a designer rack. It’s the perfect mix of handmade artistry and beachside glam. Add beads, chains, or charms to make it uniquely yours.
Size: Large
Difficulty: Intermediate
Paid Pattern
21

Crochet Butterfly Bathing Suit

Why blend in when you can take flight? This stunning one-piece features a full butterfly motif that wraps your waist in delicate lace wings. It’s bold, flattering, and perfect for beach days, festivals, or just living your crochet fantasy. Eye-catching, magical, and made to flutter.
Size: Large
Difficulty: Intermediate
Paid Pattern
22

Easy Crochet Bikini Top for Any Size

Need a cute top fast? This one’s got you. Quick to make, easy to wear, and perfect for spontaneous beach days or sunny getaways. The bold stripes and scalloped edge add just enough flair without the fuss. Beginner-friendly + no stress = your new go-to.
Size: Medium
Difficulty: Easy
Free Pattern
23

Crochet Bikini Bottom for Any Size

Cute, comfy, and made to fit you. This easy-to-follow tutorial walks you through creating bikini bottoms in any size, with a flattering shape and sweet scalloped trim. Whether you’re making a full set or just need a new staple, this one’s a keeper. Custom sizing + beginner-friendly = beach day win.
Size: Medium
Difficulty: Easy
Free Pattern
24

Coralline Bikini Set

Simple, sleek, and surprisingly easy to make—this bikini set proves that less really is more. The textured stitches and scalloped edging give it a fancy, boutique-style feel, while the classic triangle shape keeps it timeless. Perfect for pool parties, beach days, or just feeling cute. Quick to hook, easy to wear, and endlessly customizable.
Size: Large
Difficulty: Easy
Paid Pattern
25

Sky Blue Bikini Set

Minimalist, flattering, and effortlessly cool. The Blue Sky Bikini Set features a sleek one-shoulder top and high-cut bottoms for that bold, confident look—no frills, just pure main character energy. It’s comfy, timeless, and looks amazing in literally any color. Comes in sizes XS–L and is beginner-friendly.
Size: Large
Difficulty: Easy
Paid Pattern
Affiliate Disclaimer:
Derpy Monster is supported by our readers. When you buy through links on our site, we may earn an affiliate commission, at no additional cost to you.

About the author

Adriana Maronese

I taught myself how to crochet a few years ago and haven’t been able to stop since then. I created this platform to help passionate crocheters like me feel inspired to create more. Because I truly believe life without art would be just boring.
To practice any art, no matter how well or how badly, is a way to make your soul grow, for heaven’s sake. So do it.” – Kurt Vonnegut

Get even more inspiration!

30 Cozy Winter Crochet Accessories To Make This Season Extra Snuggly

Check it out

The 20 Cutest Crochet Stockings for a Handmade Holiday

Check it out

25 Crochet Bag Patterns That’ll Make You Ditch Store-Bought Forever

Check it out

The 25 Best Crochet Thanksgiving Patterns

Check it out

35 Crochet Granny Square Patterns That Are Anything But Basic

Check it out
1 2 3 8

Subscribe to receive more tips, tricks, & FREE patterns!

Don't worry, I also hate spam.
closechevron-downbars
Pin
Share
Tweet