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!

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...

If you need some mermaid party food inspiration you've come to the right place!

Mermaid parties are still incredibly popular on CatchMyParty.com, which is why we've gone through all the mermaid parties we have on our site and selected 13 of the most impressive.

If you're planning an under the sea extravaganza with a mermaid themed party then you won't want to miss out on the 12 most beautiful mermaid party supplies we've found.

Picking out the best parties 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, that's perfect for celebrating the much-anticipated arrival of a little bundle of joy!

To help you with all the planning we've rounded up 13 amazing mermaid baby shower ideas and party supplies.

So many fantastic parties were added to Catch My Party this week. The mermaid and unicorn birthday party will blow your mind. Just wait until you take a look at the incredible birthday cake!

Don't miss out on all the other gorgeous parties that I included in my 4 favorites this week. You are going to be so inspired!