I recently planned a mermaid-themed birthday party for a little girl, and it was such a fun theme to work with. These decorations, invitations, and favors will keep the kids happy and the parents snapping pics the whole time. Some (not all) are affil...
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4
Black
Blonde
Brown
Brunette
Black
Black hair mermaid birthday party ideas including invitations, decor, favors, and more!
Birthday invitation with an adorable mermaid with black hair and space for your child’s photo and personalize the text.
Cute Mermaid Birthday Black Hair Girl Photo Invitation
Little girls will love these light shoes (affiliate link)
Target's dream collection is perfect for a Mermaid birthday party (affiliate link)
Dream Vacation Collection
Don't forget a small helium tank if you want your balloons to stay up all day (affiliate link)
9.5" Medium Helium Balloon Kit: Balloon Time Multicolor Steel Tank for All Occasions
Kinetic sand is the perfect gift after a mermaid themed party! (affiliate link)
Kinetic Sand Mermaid Folding Sand Art
Brown
Brown mermaid birthday party ideas including cute invitations, decorations, guest favors, and more!
Cute brown mermaid invitation
Girl Mermaid Pink Purple Kids Birthday Invitation
Cute mermaid light kid's shoes! (affiliate link)
SKECHERS KIDS My Dreamers 303061N (Toddler)
The perfect gift for a mermaid obsessed little one
Mermaid Brown Skin Custom Girl Name Back To School Drawstring Bag
The perfect rainbow mermaid paper plates
Rainbow Mermaid Birthday Party Paper Plates
Add a mix of cute plates for the kids (affiliate link)
Mermaid Ombre Iridescent Foil Plates
Cute mermaid dress for the birthday girl! (affiliate link)
Ariel Disney Story Play Dress for Kids – The Little Mermaid | Disney Store
Add some cute party glasses (affiliate link)
Kids' seashell flip sunglasses
Cute little gift for the birthday girl (affiliate link)
Twirling Ariel 43259 | Disney™ | Buy online at the Official LEGO® Shop US
Use coloring activity books for game time during the party or as favors for guests (affiliate link)
The How to Catch a Mermaid and Unicorn Activity Book for Kids: Who Can You Catch First? (Featuring hidden pictures, how-to-draw activities, coloring, dot-to-dots and more!)|Paperback
These bookmarks are so cute! Perfect for the not so little ones (affiliate link)
Modern Mermaids Page Clip Bookmarks Set of 4
How cute are these mermaid party hats!? (affiliate link)
Mermaid Party Hats 10ct - Spritz™
Cutest mermaid bag (affiliate link)
Mermaid Shell Handbag Accessory
Add a gold fringe backdrop to make your photos sparkle (affiliate link)
Party Backdrop Gold - Spritz™
How cute is this gift idea? Availabe in different cord colors
Brown Mermaid Custom Little Girl Watch
Extra cute mermaid name tag labels you can use for clothing, school supplies, and more!
Cute Mermaid Girly Personalized Kids Name School Labels
Add a fun piñata with the birthday girl's age (affiliate link)
Blue Panda Small Rainbow Number 5 Pinata for 5th Birthday Party Decorations, Fiesta Supplies for Cinco de Mayo, 12 x 16.5 x 3 In
Target's Iridescent party supplies collection is perfect for this mermaid birthday theme (affiliate link)
Iridescent Collection
Love this cute pastel birthday gift bag (affiliate link)
Large "Happy Birthday To You" Gift Bag - Spritz™
Indispensable for little goodie bags (affiliate link)
20ct Clear Cello Favor Bag - Spritz™: Polypropylene Treat & Goodie Bags for All Occasions, Birthdays, 10" x 5"
Love these as small favors (affiliate link)
12ct Party Favor Bubbles - Spritz™
Brunette
Brunette mermaid birthday party ideas featuring invites, decor, favors, and gifts for the little girl.
With a sweet mermaid character with light brown hair—easy to personalize and ideal for under-the-sea celebrations.
Cute Mermaid Birthday Girl Photo Invitation
Great gift idea for the little one
Custom Girl Name Cute Mermaid Apron
These shimmer-effect plates add instant glam to your mermaid setup—practical, pretty, and easy to match with other pink or gold decor.
Mermaid Scales Pink Sea Birthday Party Paper Plates
Mix and match plates for a unique touch (affiliate link)
Mermaid Shell Shaped Plates
Match your little one with a cute vibrant dress (affiliate link)
Michelle Rainbow Bloom Dress
Your little girl's new favorite shoes with lights! (affiliate link)
