20 Crochet Bikini & Swimsuit Patterns You’ll Love Making
There is something quietly magical about wearing something you made yourself, especially at the beach. When the sun is warm, the water is inviting, and you are wearing a handmade crochet swimsuit, the whole experience feels a little more personal, a little more special. Crochet swimwear has made a serious comeback over the past few years, and it is not hard to see why. The boho aesthetic is endlessly flattering, the yarns and threads available today are more varied and beautiful than ever, and the creative freedom that comes with crafting your own bikini or one-piece is genuinely exciting.
Whether you are new to crochet and looking for a beginner-friendly top pattern, or an experienced maker hunting for a complex lace swimsuit challenge, this roundup has something for every skill level. We have gathered 20 stunning crochet bikini and swimsuit patterns that span everything from delicate string bikinis to bold, structured one-pieces. Get your hooks ready and your favorite beach playlist going — because summer just got a whole lot more creative.
Why Crochet Swimwear Is Worth the Effort
Before we dive into the patterns themselves, it is worth taking a moment to talk about what makes crochet swimwear such a rewarding project. For starters, you have complete control over the fit. Anyone who has ever struggled to find a swimsuit that fits just right in both the top and bottom knows how frustrating standard sizing can be. When you crochet your own, you can adjust measurements, add length, widen straps, or tailor the pattern to your body exactly.
There is also the question of style. Crochet bikini patterns range from barely-there triangle tops with minimal ties to full coverage sports-bra-style tops and everything in between. Bottoms can be high-waisted, cheeky, classic brief cut, or skirted. And one-piece patterns can be as simple or as intricate as you want them to be. The creative possibilities are genuinely vast.
When it comes to materials, cotton and nylon blend yarns work best for swimwear because they dry quickly, hold their shape when wet, and have just enough stretch to move with your body. Many crocheters love using a fine crochet thread (size 10 is popular) for a more delicate, beachy look. Others prefer a thicker sport-weight cotton for a more substantial feel. Whichever you choose, always check the yarn’s care instructions and consider lining your swimwear for added coverage and durability.
1. Classic Triangle Bikini Top
The triangle top is the icon of summer swimwear, and this crochet version does not disappoint. Made with a simple shell stitch pattern, it works up surprisingly fast and looks effortlessly chic. The ties are adjustable, which makes it a great fit across a range of sizes. This pattern is ideal for beginners who have mastered their basic stitches and are ready to try something wearable. Pair it with matching crochet bottoms or your favorite shorts for a laid-back beach look.
2. Halter Neck Crochet Bikini Top
This halter-style top is a step up from the basic triangle because it offers more structure and coverage while still looking summery and light. The criss-cross front detail is achieved through a simple combination of single crochet and chains, and the halter neck ties allow for adjustable sizing. It looks beautiful in a solid color but is equally stunning worked in a variegated cotton thread. This is a great intermediate pattern that introduces you to working pieces in the round.
3. High-Waisted Crochet Bikini Bottom
High-waisted bottoms have been a swimwear staple for years now, and they are just as achievable in crochet as they are in traditional swimwear. This pattern uses a combination of double crochet and ribbing to create a retro silhouette that is flattering on virtually every body type. The waistband is worked flat and seamed, and the back is shaped with strategic increases and decreases to get a smooth, comfortable fit. A must-make for fans of vintage-inspired swimwear.
4. Lace Overlay Bikini Set
This pattern takes the classic bikini and elevates it into something that feels truly special. The top and bottoms are both worked in a delicate open lace stitch that creates a beautiful, airy texture perfect for warm weather. It is intended to be layered over a simple solid-color bikini underneath, making it more of a cover-up bikini set. The effect is incredibly elegant and perfect for beach vacations, pool days, or even worn over a simple bodysuit as a fashion statement. Intermediate to advanced skill level.
5. Boho Fringe Bikini Top
If you love a free-spirited, festival-ready aesthetic, this fringe bikini top will become one of your all-time favorite makes. The top itself is worked in a straightforward mesh stitch, and the real magic happens in the fringe edging that hangs from the bottom. Cut your yarn into even lengths, loop them through the bottom stitches, and trim to your desired length. The fringe sways as you move and looks incredible in earthy tones like terracotta, sand, and rust. Beginner to intermediate.
6. Sports-Style Crochet Bikini Top
Not everyone wants a tiny bikini top, and this sporty crocheted version is the perfect answer for those who prefer more coverage and support. It is worked almost like a bralette, with a wider band underneath and enough structure to hold everything in place. The stitch pattern is clean and minimal, almost like a woven texture, which gives it a more modern look than some of the lacier options. Great for surfing, paddleboarding, or just lounging with the confidence of knowing you are covered.
7. Crochet One-Piece Swimsuit
One-piece swimsuits have had a major style renaissance, and this crochet version is a showstopper. The pattern is worked in sections — the front, back, and straps — and then seamed together for a clean finish. It features a modest scoop neck and a classic leg cut, with enough ease in the construction to fit comfortably. Use a fine cotton thread for maximum elegance, or go for a thicker yarn for a more textured, casual look. This is an intermediate to advanced pattern that is absolutely worth the effort.
8. Floral Motif Bikini Set
Granny squares are not just for blankets. This cheerful bikini set is constructed entirely from small floral crochet motifs joined together, creating a patchwork effect that is playful, colorful, and completely unique. Each motif works up in minutes, so you can easily customize the color placement. Go full rainbow for a bold statement or stick to two coordinating tones for something more polished. This pattern is a great choice for crocheters who love making motifs and want a fun, modular project.
9. String Bikini with Picot Edge
Minimalist and modern, this string bikini pattern is all about clean lines and delicate detail. The body of the top is worked in simple rows of single crochet, which gives it a firm, substantial texture, while the picot edging adds a sweet, feminine finishing touch. The strings are long and adjustable, making it easy to get a custom fit. The bottoms follow the same design language, with a simple shaped panel and matching string ties at the hips.
10. Crochet Tankini Top
A tankini offers the best of both worlds — the convenience of a two-piece with the coverage of a one-piece. This crochet tankini top is worked in a modified mesh stitch that has just enough stretch to fit comfortably while keeping its shape. It falls to just below the waist, making it ideal for pairing with any style of bikini bottom or board shorts. The look is relaxed and effortless, and it works up quickly in a cotton-blend yarn. A great option for beginners who want a slightly bigger project.
11. Cut-Out One-Piece Swimsuit
This daring and fashion-forward one-piece features a series of strategic cut-outs along the sides that give it a dramatic, editorial quality. The main body is worked in a tight, solid stitch for support and coverage, while the cut-out panels use a simple mesh stitch to allow skin to peek through. It is a more complex pattern that requires careful attention to shaping, but the result is genuinely breathtaking. Perfect for confident makers who want a statement swimsuit for their next beach vacation.
12. Crochet Surf Shorts
Who says crochet swimwear only means bikinis? These crochet surf shorts are a genuinely fun and practical pattern that pairs beautifully with any bikini top or rash guard. Worked in a tighter stitch to withstand the surf and splash, they feature a drawstring waist and just enough length to provide real coverage. Made in a quick-dry cotton yarn, they are comfortable and stylish. A wonderful option for those who prefer bottoms with a bit more fabric.
13. Bohemian Wrap Bikini Top
This wrap-style top is tied in the front for an adjustable fit that works across a wide range of sizes. The stitchwork is a beautiful combination of shells and fans that creates a romantic, textured fabric. Because the tie is adjustable, this is one of the most forgiving and flattering patterns in the collection — you can always add more or less fullness depending on your preference. Work it in a sandy beige or ocean blue for maximum beach-ready vibes.
14. Brazilian-Cut Crochet Bikini Bottom
For those who prefer a cheeky, minimal-coverage bottom, this Brazilian-cut design is perfectly crafted. The back is intentionally smaller than a classic brief, and the fit is snug and flattering. The front panel uses a chevron stitch pattern for visual interest, and the sides tie with adjustable knots. This is a beginner-friendly bottom pattern that works up in just a couple of hours, making it a great quick project to whip up before a weekend trip.
15. Crochet Rash Guard
A crochet rash guard might sound unconventional, but made with a tight enough stitch in a UV-protective cotton-nylon blend, it is a genuinely practical and beautiful option. This pattern creates a short-sleeved, fitted top with a slight stretch that covers the arms and torso. It is perfect for days when you want sun coverage without giving up the handmade beach aesthetic. Pair it with board shorts or a crocheted bottom. This is an advanced pattern requiring comfort with working increases and shaping in the round.
16. Crochet Monokini
A monokini is a one-piece with cut-outs that make it look like a two-piece at first glance. This crochet version is seriously impressive — it features an open-back design, a sleek front panel, and simple chain connections at the sides that give the illusion of a bikini silhouette. The stitch pattern is clean and geometric, giving the whole design a very modern edge. Made in black cotton thread, it looks absolutely stunning and would not be out of place on a fashion runway, let alone a beach.
17. Crochet Swim Skirt
Pair this sweet little swim skirt over any bikini bottom for instant beach-day glamour. The pattern is worked in a simple ripple stitch that creates natural flare and movement, and it falls just above the knee for a modest and flattering length. It is an excellent beginner pattern because it is essentially worked flat in rows of ripple stitch, then seamed. Use a bright, saturated cotton for a summery pop of color, or go for a neutral to let your bikini top take center stage.
18. Crochet Bandeau Bikini Top
The bandeau is a timeless swimwear silhouette, and this crochet version has just enough stretch and structure to stay in place. The stitch pattern is a tight combination of single and half-double crochet that gives the fabric a solid, secure feel. A simple removable strap is included in the pattern for those who want a little extra security. The clean, minimal design makes it incredibly easy to pair with any style of bottom, and it looks equally great as a casual top over shorts.
19. Vintage-Inspired Crochet Swimsuit
Channel old Hollywood glamour with this gorgeous vintage-inspired one-piece pattern. The design features a sweetheart neckline, structured cups, and a high-leg cut that is simultaneously retro and completely of the moment. The stitch pattern is a tight, even single crochet throughout, giving the finished garment a polished, professional look. This is a more complex, advanced pattern that requires careful attention to shaping and sizing, but every stitch of effort is rewarded by the absolutely stunning result. A true heirloom-quality make.
20. Sheer Crochet Beach Cover-Up Set
Rounding out the collection with a full cover-up set — matching top and skirt worked in an open, sheer mesh stitch that floats beautifully over any swimsuit underneath. The top is a simple cropped shell, and the skirt is a flowing maxi length with a drawstring waist. Together they create a complete beach look that is effortlessly elegant. The mesh stitch works up quickly once you find your rhythm, and the whole set can be completed in a long weekend. This is an intermediate pattern that makes a perfect travel make.
Tips for Success When Crocheting Swimwear
A few practical notes before you cast on for your first crochet swimsuit. Always swatch, and wash your swatch before measuring. Crochet can grow significantly when wet, and you want to know how your chosen yarn behaves before investing hours in a full garment. When selecting yarn, look specifically for cotton, nylon, or cotton-nylon blend yarns labeled as suitable for swimwear or activewear. These fibers dry quickly, resist stretching out when wet, and hold up to chlorine and saltwater far better than wool or acrylic.
Consider lining your crochet bikini cups or swimsuit front panel with stretch fabric cut from a worn-out swimsuit. This adds opacity and prevents any uncomfortable bunching. Many crochet swimwear makers also add a sewn-in elastic to waistbands and bikini bottoms for a secure, comfortable fit that stays in place in the water.
Finally, do not be afraid to resize patterns. Most crochet swimwear patterns include instructions for multiple sizes, but if you find yourself between sizes or have specific measurements you want to account for, the best approach is to work your swatch, calculate your stitch gauge, and then use that gauge to calculate exactly how many stitches you need. A little math upfront saves a lot of frustration later.
Final Thoughts
Crochet swimwear is one of those project categories that seems intimidating at first but becomes completely addictive once you make your first piece. There is nothing quite like the feeling of wearing something you created from scratch — something that fits perfectly, looks exactly the way you imagined, and represents hours of satisfying, creative work.
Whether you start with a quick beginner bikini bottom or dive straight into a complex vintage one-piece, every project in this list is worth your time. Summer is always just around the corner, and your next favorite swimsuit might just be at the end of your crochet hook. Happy making!
