17 Free Mermaid Projects | Knit, Crochet, Craft!
Mermaids are for all ages! It’s true! A friend told me that even in her late twenties she watched the Disney movie about a young mermaid every single weekend for a whole year! You have to admit the music is amazing, right? But, I digress. People have had a fascination with women of the water for generations. That’s why we gathered this collection of free mermaid projects for you. Once you see these cute, mermaidy knit and crochet patterns, you’ll be grabbing your hooks, needles, and more.
You might want to make mermaid dolls or doll outfits, full costumes, mermaid tail snuggle sacks, or mermaid-themed accessories. I’m sure that right here, you’ll find the perfect project just for you, your friends, or your kids. So, download these free mermaid projects and get started today!

Free Mermaid Blanket and Snuggle Sack Patterns
- My Mermaid Crochet Snuggle Sack – Free, easy crochet blanket pattern in the shape of a fishtail.
- Mermaid Fantasy Blanket – Mermaid tail blanket pattern sized up to adult!
- Knit Mermaid Snuggle Sack – Another ‘tail’ blanket sized for adults too.
- Mermaid Cocoon – Awwww…so adorable. It’s a great, cozy Halloween costume for baby.
- Loopy Mermaid Tail Blanket – Sized for kids, made from Red Heart Loop-it Yarn.
- Alize EZ Mermaid Tail Blanket – ‘Knit’ with your fingers and Bernat Alize Blanket EZ yarn.
- Mermaid Tail Snuggle Sack – Another mermaid tail blanket option.
Mermaid Amigurumi Patterns
- Dia and Mia Mermaid – Crochet Amigurumi version of Tina and Nina Mermaid.
- Tina and Nina Mermaid – Knit Amigurumi mermaids with interchangeable clothing.
- Crochet Little Lobster and Baby Mermaid – Sooo cute – gotta try this Amigurumi!
Free Mermaid Costume Patterns
- Petite Mermaid Costume – Includes skirt, bra top, and ruffled boa!
- Tiny Mermaid Crochet Costume – Sized in cotton yarn for babies 12-18 months.
- Wee Mermaid Crochet Costume – Cute baby costume.
- Mermaid Doll Outfit – To fit an 18″ doll.
Mermaid Accessory Patterns
- Mermaid Tears Purse – Cute bag with fish scales and a flower.
- Mermaid Tails Hat – Crochet hat with swirling texture.
- Mermaid Tails Keychains – Braided keychains with shells and rocks.

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- Video Tutorial: Mermaid Tail Loop-It Project
- 44 Free Ocean Animal Projects to Crochet and Knit
- 10 Reasons to Make a Crochet Octopus Pattern – and Best Patterns to Use
Frequently Asked Questions
What kinds of mermaid knit and crochet projects are there?
The ocean of options is deep and magical! Mermaid tail blankets (those gorgeous cocoon-style blankets that make you look like you have a mermaid tail) are hugely popular. Mermaid amigurumi dolls. Mermaid-tail photo props for babies. Mermaid hair accessories… sea-inspired headbands and hair clips. Mermaid colorwork patterns for garments and accessories. Mermaid-scale texture stitches for bags and blankets. Fin-adorned accessories. And some wonderfully creative items like mermaid doll outfits and mermaid-themed home decor. The 17 patterns in this collection showcase this range.
How do mermaid tail blankets work?
A mermaid tail blanket is a cocoon-style blanket worked in the round (or as a tube) that widens toward the top for the waist and narrows toward the bottom to form the “fin” shape. You slip your legs inside and the closed bottom keeps your feet warm while the open top lets you sit up. They’re typically made in chunky or super bulky yarn to work up quickly and provide maximum coziness. The fin at the bottom is shaped through decreases to create that iconic mermaid silhouette. They’re beloved by kids and adults alike… because who doesn’t want to feel like a mermaid?
What colors make the most magical mermaid projects?
The mermaid color palette is gorgeous and somewhat flexible! Classic mermaid colors are aqua, teal, seafoam, and blue-greens that evoke ocean water. Gradient and self-striping yarns in these colors create beautiful natural color transitions. Purple is a popular addition for a more mystical look. Metallic or iridescent yarn adds the shimmering quality that mermaid scales should have! For mermaid amigurumi, combining a green-toned body with a lighter underbelly and purple or pink fins creates the most recognizable mermaid figure. Pearlescent or slightly glossy yarns take any mermaid project up a notch.
What skill level do mermaid projects require?
It varies! A simple mermaid tail blanket in bulky yarn is accessible to confident beginners… it’s essentially a tube with decreases for the fin. Mermaid amigurumi are intermediate. Scale-textured stitch patterns (like the shell stitch or bobble stitch used to suggest scales) are accessible for advanced beginners. Colorwork mermaid motifs for garments are intermediate to advanced. The 17 patterns span this range so you can find something appropriate for your current skill level while having more ambitious patterns to aspire to as you grow.
Are mermaid projects popular for birthday and gift occasions beyond Halloween?
Mermaid projects are genuinely year-round! Mermaid is a perennial theme for young girls’ birthdays, bedrooms, and parties. Mermaid tail blankets are popular Christmas and birthday gifts year-round… there’s never a “wrong” time to give someone a way to feel like a mermaid. Beach vacations and summer birthday parties are natural occasions. Mermaid-themed baby showers. And for the growing adults who love the mermaid aesthetic (it’s a whole vibe!), mermaid accessories and home decor aren’t seasonal at all. Make them whenever the mood strikes!
Categories: Free Patterns


