Under the Sea Pool Party 
Pool Party Ideas for Kids

An Under the Sea pool party will take you swimming with mermaids, discovering underwater treasures, and riding on octopuses.

under the sea pool party

Pool party themes give direction and creativity to your invitations, pool party decorations, swimming pool games and party bags. The decorations and games can be adjusted so that they appeal to all different ages.


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Under the Sea Pool Party Floats

Under the sea pool party floats include these inflatable sea shell floats, fish floats and of course our favorite Under the Sea character, Sebastian the lobster. 

under the sea pool party

You can find your favorite pool floats on line on Amazon or when in stock at your local Five Below store.

under the sea pool party

Under the Sea Pool Party Table

Decorate your Under the Sea pool party table with beach and sand toys from your local dollar store.  Even the cool tall green glasses were bought there. 

under the sea pool party table

We used blue and green as our color scheme so we started with a lime green checkered tablecloth.  Layer your look with plastic chargers, white melamine plates, lime green napkins and top it off with a fish shaped sand toy. 

Under the Sea Pool Party Ideas for Decorations

Under the Sea party decorations bring color, fun and sparkle to your swimming pool party.

1.  The Pool Gate

under the sea pool party

Small and large inflatable fish made for perfect Under the Sea party decorations in and out of the pool.

Start with an inflatable fish ring tied to your pool gate to greet your guests.  


under the sea pool party


Use bubble machines to create a stream of bubbles the kids have to pass through as they enter their under the sea adventure. Then move it to the pool area.

After purchasing at least 5 different bubble machines, I finally found one that worked well and consistently produced lots of bubbles - I'm not sure if it was the combination of the Pro Bubble Juice and the Creative Motion Bubble Machine but the kids loved it.

I set the bubble machine on the edge of the pool so the bubbles floated over the water. 

3.  The Swimming Pool

Don't forget to decorate the swimming pool! I always have themed beach balls or themed swim rings floating in the pool. These starfish swim rings are a perfect pool party decoration for an Under the Sea party.

Have several of them floating in the pool when the guests arrive and then let them take one home as a party favor.

Under the Sea Pool Party Ideas for Supplies

Under the Sea party supplies can be store bought or with a little imagination can be made by you and your kids. Here are a couple of ideas for you.

Invitations

under the sea pool party

Use fun wording like:

Dive into some fun under the sea

Join Flounder for some birthday fun under the sea

Life is better under the sea and so is Emma's birthday

Here are the invites from Amazon:

Under the Sea Pool Party Invites

Party Bags

under the sea pool party

I bought several fish foam crafts and used them to make the invitations and for decorating the party bags. I love the bright, solid colors.

Inexpensive blue lunch bags from Target decorated with a fish foam craft are colorful and easy enough that your kids can help make them. Trim the top of the lunch bag with a decorative scissor and fold over. Punch two holes in the folded over top and tie up some colorful ribbon.

We placed them around the umbrella pole on the party tables for centerpieces as well.

under the sea party supplies

These deep sea party bags were made with blue lunch bags that I found at Target.

Trim the top of the bag with a decorative scissor and stick some ocean themed foam stickers on the front.

It's easy to find inexpensive favors in the beginning of the summer but by mid-July most of them are gone. I bought the last 5 of these mermaids at the Dollar store for the girls party bags and found some fun, tropical pool fish for the boys.

Fish straws and Little Mermaid and fish stickers completed the bags.

Temporary Tattoos

Everyone of our kids pool parties has included temporary tattoos. Set up a station with an adult, a plastic bowl of water, a washcloth and some tattoos.

Remove the protective clear film then press the tattoo on the arm with a wet wash cloth. Voila - the tattoo is transferred to the skin.

Surprisingly they are quite long lasting and stay on even when the kids are in the pool. Kids and adults love them.

Go to Amazon to get a set of 72 ...

72 Tropical Fish Tattoos - Kids Temporary Tattoos

Under the Sea Pool Party Games

Under the Sea pool party games include the Trinket Dive, Swimming with Sharks, and a Mermaid Rescue.

under the sea pool party

Pool games for kids need to match the age and the ability of the child. Most games can be adapted so that the games are fun and yet a bit challenging.

Always have plenty of adult supervision.

under the sea pool party

We purchased a set of these weighted hoops that sit on the bottom of the pool. The set was from Target and was called Finding Nemo hoops. It included two hoops.

Set the two hoops at a depth and distance that is comfortable for your guests. At the end of the second hoop place some kind of treasure that appeals to boys and girls.

We used colorful beaded necklaces for the girls and gold coins for the boys. Let the guest keep the "treasure" that they find.

The kids loved swimming through the hoops and wanted to play this game several times.

Kids love the challenge of swimming through these Under the Sea Hoops to find lost treasure or to gather up sea creatures.

The set comes with two hoops that are weighted so they sit on the pool bottom.

Put them at a depth and distance that is comfortable for your swimmers.

Place colorful plastic necklaces or sea creature dive toys near the hoops or at the end of the two hoops.

pool party games for kids

See how many trinkets they can gather in one breath.

For younger kids let them each take a turn and take as many breaths as they want. These hoops have been the biggest hit of the summer.

We keep the hoops in our pool all summer for the kids just to enjoy during pool play time.

Search for Starfish

starfish toys

Use colorful under the sea dive toys for your Under the Sea pool party. Depending on the ability of the swimmers one at a time see how many dive toys each guest can find in one breath.

Depending on the swimming ability of the guests put them at a depth and distance that is comfortable for them.

Look for Sunken Treasures

This Under the Sea games is for kids who can swim under water. Throw the weighted star fish, crab and turtle at a depth and distance appropriate for the swimming ability of your guests.

Each guest gets a turn to go under water to collect the dive toys

pool party games for kids

The net that comes with these dive toys makes it easier to gather more than two toys.

We threw many trinkets and coins to the bottom of the pool - spacing them at distances that work for the kids swimming abilities.

Things like - plastic necklaces, bracelets, coins and small toys become sunken treasure.

The kids took turns gathering as much treasure as they could in one breath. Depending on the cost and the number of guests, let each swimmer take home their own "treasures."

Under the Sea Pool Party Games - Hula Hoop and Fish

Pool games for kids need to match the age and the ability of the child. This Under the Sea game works well if you have some children who are not good swimmers or are uncomfortable in the water.

Each child is given a turn to throw 5-6 of these colorful inflatable fish into the floating hoop. The child who gets the most fish in the hoola-hoop is the winner.

pool party games for kids
For kids that are not quite as adventurous in the pool, come up with some Under the Sea games on the pool deck.

This game provides a fun alternative. With a hula-hoop floating in the pool, one at a time have the kids throw the mini-inflatable fish into the circle.

The child who gets the most fish in the circle is the winner. The kids at our party were too small for winners or losers, but each one had fun throwing the fish.

Mermaid Rescue

Even the boys liked playing mermaid games once they found out "sharks" were swimming in the pool.

My 5 year old granddaughter came up with several ideas for mermaid games. The object of this game is to "rescue" Ariel from the surrounding "sharks."

If a player touches or gets touched by a shark they are out or have to start over.

Place the floating Ariel at a distance that is challenging, but not too difficult for your swimming guests.

pool party games for kids

This floating Little Mermaid is surrounded by "sharks" aka

mini-inflatable fish Each player gets a turn to rescue her without being "bitten" (getting touched by one of the floating fishes).


Both boys and girls loved playing this game at our Under the Sea party.

Under the Sea Pool Party Cupcakes

under the sea birthday cake

Make fun cupcakes for your Under the Sea cake. Colorful cupcake wrappers add color and design, while playful fish add to the themed pool party.

You don't have to be a cook extraordinaire to make these fun cupcakes. Bright green cupcake wrappers lots of color while the colorful playful fish squirts bring an element of fun.

The kids love cupcakes topped with toys that they can actually take home and play with.  Because they are plastic they can go in the pool too.

Display your creative cupcakes on a cupcake stand and use it as a centerpiece for your Under the Sea decorations

under the sea birthday cake

These fun cupcakes are topped with some fresh coconut and sprinkled with some blue colored sugar.

The pink cupcake wrappers were made from scrapbooking paper but now you can buy them inexpensively at Amazon in just about any color.

The wrappers provide so much more color than cupcake liners. Even the more expensive liners fade and lose their color after they've been baked.

Cupcakes are easy to make, easy to decorate and an easy to serve dessert for any kids pool party.

Kids of all ages have fun with a themed under the sea pool party. 

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Looking for ideas to have fun with friends and family out by the pool? Get free tips on:

Pool Party Themes, Invitations, Games and Decorations

Outdoor Patio Umbrellas - Frame, Fabric and the Best Size

Swimming Pool Floats for Infants, Kids and Adults

Pool Party Food from Summer Appetizers to Cold Desserts

Outdoor Party Lights - Patio Umbrella Lights to Solar Torches


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