Mermaid Costumes

Flip a fin at your next Halloween party or night of trick-or-treating with one of our girl's mermaid costumes. Our fun and finned girly mermaid outfits feature cute dresses that flair out at the bottom to resemble a fish tail. These lovely sirens of the sea have been an interesting party of mythology for ages.

Mermaid Costumes - Little Mermaid Child Costume

Little Mermaid Child Costume

Our Price: $25.98
In Stock
Mermaid Costumes - Magical Mermaid Kids Costume

Magical Mermaid Kids Costume

Our Price: $21.98
In Stock
Mermaid Costumes - Girl's Mysterious Mermaid Costume

Girl's Mysterious Mermaid Costume

Our Price: $34.98
In Stock
Mermaid Costumes - Sweet Mermaid Kids Costume

Sweet Mermaid Kids Costume

Our Price: $32.98
In Stock
Mermaid Costumes - Girl's Frozen Elsa Deluxe Costume

Girl's Frozen Elsa Deluxe Costume

Our Price: $32.98
Out of Stock
Mermaid Costumes - Girl's Frozen Anna Deluxe Costume

Girl's Frozen Anna Deluxe Costume

Our Price: $32.98
Out of Stock

Mermaids are a favorite classic Halloween costume for girls that will become a timeless addition to your costume wardrobe. Some great mermaids that your little girl will love to dress as include Ariel the Little Mermaid and other princesses. Sometimes the right ocean theme accessories can make all the difference.

Accessorize your mermaid dress with nautical props like seashell jewelry, headbands, princess scepters, and a seaweed boa. If you want to dress up with a whole school of your friends, match a few ocean costumes and have a mackerel of a good time! Dress as characters from The Little Mermaid or make your own mermaid princess creation from our selection of girls' dresses. After you have finished celebrating Halloween, add your mermaid outfit to your dress-up wardrobe and use it to play pretend.

Find your favorite girls costumes and make a splash as a mermaid at your next Halloween party.