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 – Free Crochet Pattern
Transform your nursery into an under-the-sea wonderland with this adorable amigurumi ocean-themed baby mobile! Featuring a jellyfish, whale, clownfish, starfish, and octopus, plus floating bubbles and curly seaweed, this gentle mobile is perfect for soothing baby dreams.
✨ Skill Level
Intermediate – Requires knowledge of shaping, color changes, and secure assembly.
📏 Finished Size
- Jellyfish: 5 in (12 cm) tall
- Ring: approx. 10–12 in (25–30 cm) diameter
- Total mobile height: approx. 16 in (40 cm)
🧶 Materials
- DK or worsted weight cotton yarn in:
- Light blue, dark blue, pink, yellow, orange, white, green, black
- Crochet hook: 2.5–3.0 mm
- Polyester fiberfill
- Safety eyes (6–8 mm)
- Tapestry needle
- Stitch markers
- Wooden or plastic ring (covered in yarn)
- Sewing thread or yarn for suspending pieces
- Optional: small bells or rattles for sound
🧵 Abbreviations (US Terms)
MR – Magic Ring
sc – Single Crochet
inc – Increase
dec – Decrease
sl st – Slip Stitch
ch – Chain
FO – Fasten Off
BLO – Back Loop Only
🐙 Jellyfish (Centerpiece)
Head – Light Blue
- MR, 6 sc (6)
- inc x6 (12)
- (1 sc, inc) x6 (18)
- (2 sc, inc) x6 (24)
- (3 sc, inc) x6 (30)
- (4 sc, inc) x6 (36)
7–13. sc around (36) - (4 sc, dec) x6 (30)
- (3 sc, dec) x6 (24)
Add eyes between rounds 9–10, about 6 sts apart. Embroider mouth and cheeks. - (2 sc, dec) x6 (18)
Stuff firmly - (1 sc, dec) x6 (12)
- dec x6 (6)
FO and close.
Frilly Skirt (Underside)
Attach yarn to the BLO of round 13
ch 3, sl st in next stitch, repeat all around. FO.
Tentacles – Make 5–7
ch 25–40, turn, 2 sc in each ch across. FO and sew to bottom center.
🐳 Whale
Body – Blue
- MR, 6 sc (6)
- inc x6 (12)
- (1 sc, inc) x6 (18)
- (2 sc, inc) x6 (24)
- (3 sc, inc) x6 (30)
6–12. sc around (30) - (3 sc, dec) x6 (24)
- (2 sc, dec) x6 (18)
Insert safety eyes, embroider cheeks and mouth. - (1 sc, dec) x6 (12)
Stuff, FO, and close.
Fins (Make 2)
- MR, 5 sc (5)
- sc around (5)
Flatten and sew to sides.
Tail (Make 2)
- MR, 6 sc (6)
- (2 sc, inc) x2 (8)
- Fold in half and sl st across. Sew to back of body.
🐠 Clownfish
Body – Orange, with White and Black
Work in spiral, changing colors for stripes:
- MR, 6 sc
- inc x6 (12)
- (1 sc, inc) x6 (18)
4–10. sc around (18) – add 2 white rounds at rounds 5–6, bordered by black. - (1 sc, dec) x6 (12)
Add safety eyes, stuff body. - dec x6 (6)
FO and close.
Fins (Make 3 – 2 sides, 1 top)
- MR, 6 sc
- sc around, FO. Flatten and sew on.
⭐ Starfish – Yellow
- MR, 5 sc (5)
- inc x5 (10)
- sc in each stitch (10)
Repeat this 5 times to make arms. Do not FO between—chain 1 to move to the next arm.
Add eyes and a mouth. Lightly stuff. FO and shape into star.
🐙 Octopus – Pink
Head
- MR, 6 sc (6)
- inc x6 (12)
- (1 sc, inc) x6 (18)
- (2 sc, inc) x6 (24)
5–8. sc around (24)
Add safety eyes. - (2 sc, dec) x6 (18)
- (1 sc, dec) x6 (12)
Stuff, FO and close.
Tentacles (Make 8)
ch 18, 2 sc in each ch back. FO and sew to base.
🫧 Seaweed (Curly Vines) – Light Green
ch 30–40, 2 sc in each ch back for curly effect. FO and attach between characters and mobile ring.
🌊 Floating Bubbles (Make 3–5)
- MR, 6 sc
- inc x6 (12)
- sc around (12)
- (1 sc, dec) x4 (8)
Stuff - dec x4 (4)
FO and close.
🔁 Mobile Ring
- Take a 10–12 in ring (wood or plastic)
- Wrap or sc around it using light blue yarn
- Tie character strings equally spaced around the ring
- Use 4 longer strands to suspend the mobile from a ceiling hook or crib arm
💡 Assembly Tips
- Hang jellyfish in center
- Space whale, clownfish, octopus, and star evenly around
- Add bubbles and seaweed to create depth and motion
- Make sure hanging strings are secure and not too long to prevent baby entanglement
This sweet mobile will lull your little one to sleep under the waves! 🌊 Whether you’re decorating a coastal nursery or simply love sea life, this ocean mobile brings a calming, creative vibe that’s sure to delight. 🐠💙
