Mermaid Under the Sea Birthday Party

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Mermaid Under the Sea Birthday Party

Last summer our daughter chose a Mermaid theme for her birthday party. My mama heart was so excited, and my mind immediately started thinking of so many decorating and food possibilities. This was going to be fun!

Since our daughter wanted to invite girls and boys to her birthday party, we tweaked the Mermaid theme a little, and it became a Mermaid Under the Sea theme. I created a Pinterest board for the Mermaid Under the Sea Birthday Party and began gathering even more ideas.

Follow Melisha’s board Mermaid Birthday Party on Pinterest.

Mermaid Under the Sea Birthday Party

For our Mermaid Under the Sea color scheme we selected shades of aqua, lime green and purple. Choosing the color scheme first helped us keep a cohesive look to all the decor and food, and we love how it turned out.

Message in A Bottle Invitations. Instructions and pics.

Our daughter hand delivered her Message In A Bottle party invitations to her friends at school, church, and in the neighborhood.

Mermaid Under the Sea Birthday Party Decorations

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

On the day of the party guests were greeted by sea-themed wreaths and a welcome message on my free-standing chalkboard. (I love this chalkboard and use it all the time!)

Mermaid Under The Sea Birthday Party Gift Bags

We placed the gift bags on the dresser in the entryway. There they became part of the party decor and were easy to access when guests left the party.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

There were Jellyfish Lanterns overhead as guests entered the house.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

And more Jellyfish Lanterns in the living room, dining room, kitchen,

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

and there were even more out by the pool.
See the tutorial on how to make Jellyfish Lanterns here.

The Sandcastle Cake

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

The cake table was the focal point of our Mermaid Under the Sea Birthday Party. We covered the table with an inexpensive plastic tablecloth (which made clean up a breeze), and a fishing net was placed on top of that.

Sandcastle Cake with pics and instructions.

The Sandcastle Cake was the star here. I totally cheated on this cake. You can find instructions for the Sandcastle Cake here.

Mermaid Under the Sea Birthday Party Food

DIY Chocolate Seashells with step-by-step pics and instructions.

I made these Chocolate Seashells several days in advance and stored them in the refrigerator. On the day of the party the only thing I needed to do was display them on a bed of unrefined sugar-in-the-raw spilling out of a beach pail. I chose sugar-in-the-raw instead of brown sugar because is doesn’t clump together and looks more like beach sand.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

The kids loved these Goldfish Marshmallow Pops! We made these the day before the party. You can never have too many make-ahead party foods.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

These Oyster Cookies were so easy to make! They are simply Madeleine cookies with frosting in the center and a white Sixlet for the “pearl.” If you aren’t able to find these in a grocery store, they are available for purchase on Amazon. If you want to make your own you could purchase a Madeleine baking pan. Or keep it even more simple and substitute vanilla wafers. The Oyster Cookies were served on a platter sitting on some sugar-in-the-raw to mimic beach sand.

Something Not Sweet

Seaweed Spiral finger sandwiches for Mermaid Under the Sea birthday party.

I didn’t want all the party food to be sugary sweets, so we made some Seaweed Spirals. We spread cream cheese onto spinach wraps and layered lettuce, cheese, and turkey on top. Then we rolled them up, stuck in colorful toothpicks and cut them into small slices.
Some of the kids were hesitant to try these until we made it perfectly clear that they really didn’t contain any seaweed. After that clarification, they disappeared quite quickly.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

How adorable is this little guy! The Crabwiches may have been my favorite of all the party foods. We purchased crescent rolls, sliced them the morning of the party and stacked lettuce, ham and swiss cheese inside. The eyes are large black olive slices on toothpicks inserted into the crescent roll.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

White cheese cut into triangle shapes made delicious Shark Teeth. This is another party food that can be prepared ahead of time.

More things you might like

Click the images to purchase. Note: The links in this post are affiliate links. That means I may earn a commission if you purchase something by clicking through that link. It does not increase the cost to you. That said, I never recommend anything I don’t personally use or find to have great reviews.

Mermaid Under the Sea Birthday Party Candy

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

We placed chocolate gold coins into a small treasure chest box decorated with strands of beads in our party colors. Candies were poured into decorative bowls the morning of the party.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

Here are jellybeans, sixlets, lollipops, and some goldfish crackers in a goldfish bowl, of course!

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

Don’t these Bugles kind of remind you of seashells?

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

I found rock candy lollipops in our party colors and purchased these containers at a party supply store for one dollar each.

Mermaid Beverages

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

A few drops of blue food coloring turned lemon lime soda into Ocean Water, and green punch was served as Sea Water.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

My daughter helped me make some Shell Creatures out of seashells we already had from previous beach vacations. We used shells, hot glue (well, I used the hot glue), googly eyes and a marker. They were displayed under the drink dispenser on a bed of glass marbles (the kind used for vase fillers).

That about wraps it up! Thank you for taking the time to look through our Mermaid Under the Sea Birthday Party pics. It was such a fun party to create! If you have a question about anything or would like more information, please comment below.

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

Love it? Pin for later and share!

Mermaid Under the Sea birthday party...ideas, food, decor, great instructions and lots of pics.

10 Comments

  1. Can you tell me where I can find the drink dispenser with the bottom are to fill with sea shells? I am planning on an under the sea theme baby shower. Thanks so much

    1. Joan, I apologize for the delay in getting back to you. I’ve had that drink dispenser for a few years now, and I don’t remember where I got it. However, here’s a similar one. https://amzn.to/2N3vRC0. It has a clear pedestal. I just put the glass beads and shells on the counter under the drink dispenser. Thanks for your question!
      ~Melisha

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