This crochet bikini bottom pattern is your go-to summer project for a fashionable and flattering handmade swimsuit piece. Designed with a medium-weight mustard yellow yarn and a 3.5 mm hook, this step-by-step guide walks you through creating a snug, stylish bikini bottom with customizable coverage and unique side detailing.
Crochet Bikini Bottom

Whether you're beach-bound or just lounging poolside, the final product offers both comfort and confidence with its seamless fit and eye-catching crisscross string ties. This pattern is ideal for beginners and seasoned crocheters alike, with clear instructions for shaping and structure that make it easy to follow and fun to create.
Materials Needed
- Mustard yellow medium-weight yarn
- 3.5 mm crochet hook
- Scissors
- Stitch markers
Foundation Chain
- Chain 45 stitches.
- Mark the 23rd stitch (middle) with a stitch marker.

First Row
- Chain 1 (extra chain).
- Half double crochet (HDC) across to the stitch marker.
- In the marked stitch, place 3 HDC in the same stitch.
- Move the stitch marker to the second HDC of the 3.
- Continue HDC to the end of the chain.
Second Row
- Chain 1, flip your work.
- HDC to the stitch marker.
- Place 3 HDC at the marker.
- Move the stitch marker to the second HDC.
- HDC to the end.

Third Row
- Chain 1, flip your work.
- HDC to the stitch marker.
- Place 3 HDC at the marker.
- Move the stitch marker to the second HDC.
- HDC to the end.
Rows 4–16
- Repeat:
- Chain 1, flip.
- HDC to the middle stitch.
- 3 HDC in the marked stitch.
- Move marker to second HDC.
- HDC to the end.

Shaping the Bottom
- Chain 1, cut yarn, and secure.
- From the middle stitch, count 5 stitches down on both sides and mark them.
- Attach yarn at left marker and chain 2.
- Double crochet (DC) in the next 2 stitches.
- HDC in next stitch.
- Single crochet (SC) in the next stitch.
- Slip stitch into the marked chain.
On the opposite side:
- SC, HDC, DC in following stitches.
- DC in the final marked stitch.

Creating the Middle Part
- Chain 1, flip your work.
- HDC across the row.
- Repeat for 7 rows.
Making the Second Part
- Repeat all previous steps to make an identical second panel.
Joining the Panels
- Place both panels with right sides facing each other.
- Join with SC along the edges.
- Chain 1 and cut yarn.
- Weave in all loose ends.

Finishing the Sides
- Attach yarn to one side.
- Chain 1.
- SC evenly across 16 rows.
- Chain 3, turn, and DC across, skipping every other stitch.
- Chain 1, flip, and make 2 SC in each space.
- Chain 1, turn.
- Repeat: 2 SC, skip 2 stitches, 5 DC in the next stitch, skip 1, slip stitch.
- Continue the pattern across.
- Repeat this on the other side.
Adding Strings
- Make two chains of 200 stitches each.
- Crisscross the chains through the side spaces of the bikini bottom.





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