Make a splash in your cozy time with the Mermaid Tail Blanket, a magical crochet project that wraps you in warmth and whimsy! 🧜♀️🧶 With its flowing fin, textured stitches, and snug cocoon shape, this blanket transforms lounging into a fairytale escape. Whether you’re curled up with a book, binge-watching your favorite series, or just daydreaming of undersea adventures, this blanket brings a touch of enchantment to every moment.
Perfect for crocheters who love playful designs and comfy creations, this pattern invites endless customization. Choose ocean-inspired hues, add sparkly yarn for a shimmering tail, or size it up for a dreamy sleepover accessory. Whether you’re crafting for a little mermaid or indulging your own inner sea siren, the Mermaid Tail Blanket is a fin-tastic way to stitch up comfort—one magical loop at a time! 🌊🧵
🧜 Mermaid Tail Blanket Crochet Pattern
Transform your cozy evenings into magical underwater adventures with this crochet mermaid tail blanket! Featuring a ribbed ombré body and a wide ribbed fin, it’s as enchanting as it is snuggly. This pattern is designed to be photo-accurate to the beautiful blanket shown — with smooth vertical ribbing, a gentle gradient, and a wide flowing fin.
✨ Skill Level
Intermediate – You should be comfortable with working in the round, back loop stitches, and gradual shaping.
📏 Finished Size
- Adult size: ~58–62 in (147–157 cm) long
- Child/teen size: Adjust by reducing starting chain and rounds.
🧶 Materials
- Yarn: Worsted/Aran weight in gradient shades:
- Light aqua
- Medium teal
- Deep ocean blue
- Hook: 5.0 mm (H/8)
- Notions:
- Yarn needle
- Scissors
- Stitch markers
- Stuffing: None (it’s a blanket, not amigurumi!)
🔡 Abbreviations (US Terms)
- ch = chain
- sc = single crochet
- dc = double crochet
- fpdc = front post double crochet
- bpdc = back post double crochet
- dc2tog = double crochet 2 together (decrease)
- BLO = back loop only
- st(s) = stitch(es)
- sl st = slip stitch
- FO = fasten off
🪡 Pattern
Waistband
Foundation: Ch a multiple of 4 (adult ~120 ch; child ~80–100 ch). Join with sl st.
Rows 1–6: fpdc, bpdc around to form ribbed waistband.
Blanket Body (worked as tube)
Round 7–50 (or until desired length):
dc BLO in each st around. Join with sl st, ch 2 at start of each round.
👉 Switch colors gradually every 8–10 rounds for smooth ombré effect: aqua → teal → ocean blue.
Tapering Toward Fin
Round 51: (14 dc, dc2tog) repeat around.
Round 55: (12 dc, dc2tog) repeat around.
Round 60: (10 dc, dc2tog) repeat around.
Round 65: (8 dc, dc2tog) repeat around.
Round 70: (6 dc, dc2tog) repeat around → ~60 sts.
👉 This gradual shaping creates the smooth taper into the fin like in the photo.
Tail Fin (Make 2 Panels)
Foundation: Ch 80 (for wide spread fin).
Row 1: dc in each st across (79). Ch 2, turn.
Rows 2–10: dc BLO across.
Row 11: dec at both ends (77 sts).
Rows 12–20: Repeat dc BLO across, dec at both ends every 2nd row.
Continue until ~8 sts remain → taper into fin tip.
FO. Repeat for second panel.
Assembly:
- Place fins together with right sides out.
- Whipstitch edges together.
- Attach to bottom of blanket, ensuring center seam aligns with blanket back.
✨ Finishing Touches
- Weave in all ends securely.
- Lightly block the fin to open up the ribbing.
- Slip into your mermaid blanket and get cozy! 🐚
🌟 Customization Ideas
- Add sequins or metallic thread for shimmer.
- Make in pastel rainbow shades for a whimsical mermaid look.
- Add a drawstring inside waistband for adjustable fit.
🎉 And there you have it — your very own magical mermaid tail blanket! With its ribbed ombré body and wide flowing fin, it’s just as cozy as it is enchanting. Whether you’re curling up for a movie night, gifting it to a loved one, or simply adding a splash of whimsy to your crochet collection, this blanket is sure to make waves. 🧜♀️✨
