Crochet Pattern

Crochet Adorable Mermaid Costume Set Free Pattern

Anonymous • October 05, 2026

Crochet Adorable Mermaid Costume Set Free Pattern

Materials

  • Worsted weight yarn in mint green and lavender
  • Crochet hook size H (5.0 mm)
  • Tapestry needle
  • Scissors

Abbreviations

  • ch - chain
  • sc - single crochet
  • dc - double crochet
  • sl st - slip stitch
  • inc - increase
  • dec - decrease

Mermaid Tail Skirt

  1. With mint green, ch 70 (adjust for size), join with sl st to form a loop.
  2. Rnds 1-5: sc around, join with sl st. (70 sts)
  3. Rnd 6: *sc in next 6 sts, inc next st*, repeat around. (80 sts)
  4. Continue sc for 15 more rounds or until desired length.
  5. Switch to lavender, ch 2.
  6. Rnds 1-4: dc in each st around, join. (80 sts)
  7. Ruffle: In the first round of dc, 3 dc in each st around.
  8. Fasten off and weave in ends.

Tail Fin

  1. With lavender, ch 25.
  2. Row 1: Dc in 3rd ch from hook and each ch across. Turn. (23 sts)
  3. Row 2: Ch 2, dc in next 5 sts, dec in next, dc in next 5, dec, dc in last 6 sts. Turn. (21 sts)
  4. Continue decreasing similarly every row until 1 st remains.
  5. Fasten off and attach to tail bottom.

Shell Bikini Top

  1. (Make 2) With lavender, ch 21.
  2. Row 1: Dc in 4th ch from hook, 2 dc in next, dc across until last st, 5 dc in last st, turn around to work back down other side of chain.
  3. Row 2: Dc evenly along other side, sl st to beginning.
  4. Fasten off and attach straps as needed.

Starfish Headband

  1. With lavender, create a magic circle.
  2. Rnd 1: 5 sc in circle, join.
  3. Rnd 2: Dc, ch 5, sc in 2nd ch from hook, hdc next 3, sl st to next sc, repeat to create all star points.
  4. Attach to a braid of yarn for a headband.

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