Make waves in your nursery decor with this Amigurumi Ocean-Themed Baby Mobile crochet pattern! Featuring a delightful cast of sea creatures—think whales, turtles, starfish, and more—this charming mobile brings the magic of the deep blue sea right above your little one’s crib. Whether you’re crafting for a baby shower, decorating a coastal-themed nursery, or simply love marine-inspired amigurumi, this pattern lets you stitch up a soothing underwater scene that gently sways with every breeze. It’s a sweet and imaginative way to lull your little explorer into dreamland. 🌊🐢🐳
Designed for customization, this pattern invites you to play with soft ocean hues, textured yarns, and tiny embroidered details to make each sea creature come to life. Add bubbles, seaweed strands, or even a smiling sun peeking through the waves for extra charm. Whether you go for a realistic palette or a whimsical pastel reef, this Amigurumi Ocean-Themed Baby Mobile is a joyful and creative project—perfect for bringing a splash of handmade serenity to every stitch! 🧶💖🌊

🌊 Amigurumi Ocean-Themed Baby Mobile Crochet Pattern
Bring a wave of calm and color to your nursery with this adorable amigurumi ocean mobile! Featuring a cheerful jellyfish centerpiece surrounded by a whale, clownfish, starfish, and octopus, this underwater scene is both soothing and fun. Complete with curly green seaweed and soft bubbles, it’s the perfect handmade touch for a baby’s room.
✨ Skill Level
🧶 Intermediate
Includes shaping, color placement, and structured assembly for a balanced mobile.
📏 Finished Size
Jellyfish: ~13 cm (5 in)
Whale & Octopus: ~10 cm (4 in)
Clownfish: ~8–9 cm (3–3.5 in)
Starfish: ~9 cm (3.5 in)
Ring diameter: ~26 cm (10–10.5 in)
Total height: ~40–45 cm (16–18 in)
🧶 Materials & Yarn Amount
DK cotton yarn:
🩵 Light blue (jellyfish, ring, bubbles): 60 g (~110 m)
💙 Soft blue (whale): 30 g (~55 m)
🧡 Orange (clownfish): 20 g (~36 m)
⚪ White (stripes, belly): 15 g (~28 m)
🩷 Pastel pink (octopus): 25 g (~45 m)
💛 Soft yellow (starfish): 20 g (~36 m)
💚 Pale green (seaweed): 12 g (~22 m)
🖤 Black (eyes, smile): small amount
💗 Light pink (cheeks): small amount
Other:
2.5–3.0 mm hook
6–8 mm safety eyes
Fiberfill stuffing (~150–200 g)
Wooden ring (25–28 cm)
Strong yarn/thread for hanging
Tapestry needle, stitch marker
🧵 Abbreviations (US Terms)
MR – magic ring
sc – single crochet
inc – increase
dec – invisible decrease
sl st – slip stitch
ch – chain
FO – fasten off
BLO – back loop only
🪼 Jellyfish (Centerpiece)
Head (smooth rounded dome)
Rnd 1: MR 6
Rnd 2: inc ×6 (12)
Rnd 3: (1 sc, inc) ×6 (18)
Rnd 4: (2 sc, inc) ×6 (24)
Rnd 5: (3 sc, inc) ×6 (30)
Rnd 6: (4 sc, inc) ×6 (36)
Rnd 7–10: sc around (36)
👉 Insert eyes between R8–9 (6 sts apart)
👉 Add blush and small curved smile 😊
Rnd 11: (4 sc, dec) ×6 (30)
Rnd 12: (3 sc, dec) ×6 (24)
Stuff firmly for a round shape
Rnd 13: (2 sc, dec) ×6 (18)
Rnd 14: (1 sc, dec) ×6 (12)
Rnd 15: dec ×6 (6), FO
Frill (short wavy edge)
Attach yarn to front loops of R10:
(sl st, ch 2, 2 hdc in next st, sl st next st) repeat around
👉 Creates a soft, compact ruffle close to the body
Tentacles (short, tightly curled)
Make 9–11:
ch 16–22
3 sc in each chain
👉 Produces tight corkscrew curls
👉 Keep lengths slightly varied
Attach evenly under head.
🐳 Whale (rounded with flat belly)
Rnd 1: MR 6
Rnd 2: inc ×6 (12)
Rnd 3: (1 sc, inc) ×6 (18)
Rnd 4: (2 sc, inc) ×6 (24)
Rnd 5: (3 sc, inc) ×6 (30)
Rnd 6–9: sc around (30)
👉 For these rounds, crochet bottom 10–12 sts in white to form belly
Rnd 10: (3 sc, dec) ×6 (24)
Rnd 11: (2 sc, dec) ×6 (18)
Stuff well
Rnd 12: (1 sc, dec) ×6 (12)
Rnd 13: dec ×6 (6), FO
Add small smile and blush 😊
Side Fins (tiny)
MR 5
sc around 2 rounds
Flatten slightly and sew low on sides
Tail (wide & soft)
MR 6
Rnd 2: (2 sc, inc) ×2 (8)
Make 2 pieces, flatten and join at back horizontally.
🐠 Clownfish (short and chubby)
Rnd 1: MR 6
Rnd 2: inc ×6 (12)
Rnd 3: (1 sc, inc) ×6 (18)
Rnd 4–7: sc (18)
Color sequence:
Orange → White → Orange
Rnd 8: (1 sc, dec) ×6 (12)
Rnd 9: dec ×6 (6), FO
Stuff firmly.
Fins (small rounded)
MR 5
1–2 rounds sc
Attach 2 sides + 1 top.
⭐ Starfish (thick arms)
Rnd 1: MR 5
Rnd 2: inc ×5 (10)
Rnd 3: sc around
For each arm:
ch 5
sl st back
Repeat 5 times
👉 Arms should stay plump and slightly rounded
Add small eyes and smile 😊
🐙 Octopus (round head + short curls)
Head
MR 6
inc → 12 → 18 → 24
Rnd 5–7: sc (24)
👉 Insert eyes low for cute look
Rnd 8: (2 sc, dec) ×6 (18)
Rnd 9: (1 sc, dec) ×6 (12)
Stuff firmly
Rnd 10: dec ×6 (6), FO
Tentacles (short & bouncy)
Make 8:
ch 12–16
3 sc in each chain
👉 Thick, short curls close to body
Attach evenly.
🌿 Seaweed (gentle spirals)
Make 5–6:
ch 25–30
2 sc in each chain
👉 Light, loose curls (longer than tentacles)
🫧 Bubbles (small hanging balls)
Rnd 1: MR 6
Rnd 2: inc ×6 (12)
Rnd 3: sc (12)
Rnd 4: (1 sc, dec) ×4 (8)
Stuff lightly
Rnd 5: dec ×4 (4), FO
Make 4–6.
🔵 Mobile Ring (thick padded look)
Wrap light blue yarn tightly around ring until fully covered.
👉 Keep wraps dense and even for a plush look
🧩 Assembly
🪡 Attach jellyfish in center (lowest point)
🪡 Hang whale, octopus, clownfish, and starfish evenly spaced
🪡 Place bubbles above selected pieces
🪡 Insert seaweed between elements
👉 Keep spacing symmetrical and balanced
Top:
• Attach 4 equal strings
• Join at center and secure
🎀 Finishing Touches
✨ Keep shapes round and soft
✨ Use tight stitches for smooth texture
✨ Ensure all parts are securely fastened
✨ Balance weight so mobile hangs straight
💙 Final Result
A peaceful underwater scene with soft movement, smiling sea creatures, and gentle textures. The compact shapes, curly tentacles, and pastel tones create a calming mobile perfect for a cozy nursery atmosphere. 🐙🌊✨
Happy crocheting! 🧶💫

Hermoso 🤩