Mermaid Birthday Party Ideas

A mermaid party brings the ocean to your living room: shimmering blues and greens, seashells, and a little underwater magic. It works as a pool party in summer or a cozy party at home any time of year.

Start with the invitation

Pick a design that sets the scene. These Birfy designs are made for a mermaid or under-the-sea party:

A few wording ideas:

Make a splash! Maya is turning 5. Join us for a mermaid party under the sea.

Shells, tails and birthday cake: come celebrate Zoe's 7th birthday, mermaid style.

Dive in! You're invited to Nora's mermazing birthday party.

Decorations

• Ocean colors: teal, aqua, lavender and sea green, with touches of gold or pearl.
• Under the sea: blue streamers hung from the ceiling look like water; add paper fish and jellyfish lanterns.
• Shells and pearls: seashells, pearl garlands and starfish on the tables.
• Fishing net: drape a net on the wall and tuck in shells and fish.
• Mermaid photo spot: a sequin backdrop and a few tail-shaped cutouts kids can pose with.

Food

• Goldfish crackers in a bowl labeled "fish food".
• Ocean water: blue juice or lemonade with a few gummy fish.
• Seashell pasta salad with mini shell pasta.
• Pearl snacks: grapes, melon balls or yogurt-covered raisins.
• Mermaid tail cookies decorated with scale-patterned icing.
• Ocean cake: blue frosting waves topped with a candy-melt mermaid tail and edible pearls.

Games and activities

Treasure dive

Fill a kiddie pool or bin with water, blue rice or sand and hide "treasure": shells, plastic gems and gold coins. Kids dive in with their hands or small nets.

Shell decorating

Give each child a few large shells with paint, glitter glue and stickers to take home.

Pin the tail on the mermaid

The classic game, with mermaid tails instead of a donkey's.

Musical seashells

Like musical chairs, but kids freeze on shell-shaped paper mats when the music stops.

Pool games

If it's a pool party, try a gentle game of "mermaids and sharks" in the shallow end. Always have an adult whose only job is watching the water.

Party favors

• Mermaid tail blankets or bracelets for older kids
• Shell necklaces they made at the party
• Bubbles and pearl stickers
• Mini sea creature toys
• A small bag of "treasure" gems

Keep it easy

A treasure dive, an ocean cake and a few streamers are enough to make the theme feel complete. Pick what you enjoy and skip the rest.

When you're ready to send the invitation, Birfy gives you a mermaid design, RSVPs and a gift wishlist in one link that guests open on their phone.