If you're planning an under the sea extravaganza with a mermaid-themed party then you won't want to miss out on the 25 most beautiful mermaid party supplies we've found.

Picking out the best party supplies can be hard work and time-consuming, so to help you out we've scored the internet for the best ones.

Mermaid baby showers are a gorgeous party theme, perfect for celebrating the much-anticipated arrival of a little bundle of joy!

To help you with all the planning we've rounded up 34 amazing mermaid baby shower ideas and party supplies.

We've rounded up the 19 best mermaid party games and activities for your upcoming mermaid or under the sea party. We've got ideas for crafts, party activities, games, entertainment ideas, photo opportunities, and more! These games and activities will definitely keep your birthday girl and her guests entertained throughout the party!

To help you plan your mermaid party, we've also got ideas for mermaid party food ideas, mermaid party supplies, and even beautiful FREE mermaid party printables. Do check these out!

Feast your eyes on these amazing 20 mermaid cakes. A show-stopping cake is a must-have at any mermaid party!

The creativity and details are phenomenal in these cakes and we share where you can buy some of the decorations to make your own masterpiece.

If you're thinking of throwing a fabulous mermaid birthday, don't miss these 45 best ideas from Catch My Party for the ultimate mermaid under the sea birthday party!

You will be blown away by these ideas and inspirations, and they will help you plan the mermaid party of a lifetime.

Mermaid parties are an all-time favorite theme here at Catch My Party. To help you style your party we've got the most gorgeous FREE mermaid printables that are absolutely perfect for your under the sea celebrations.

You can use these mermaid party decorations for several different types of parties, be them birthdays, baby showers, bridal showers, etc...