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Boy’s Under the Sea First Birthday Party

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under the sea first birthday party dessert table

Under the sea parties aren’t just for little mermaids! Danielle Dalledone of Emotion – Projeto Gráfico Para Eventos styled this Boy’s Under the Sea First Birthday Party full of sea life & nautical details. Danielle fit in lots of DIY, like that stunning paper mosaic backdrop flanked by clear ‘bubble’ balloons, as well as some authentically beachy details, like the sand filled floral vases & scuba gear. I’m ready to dive on in! ;)

PARTY HIGHLIGHTS to look out for:

  • Blue ombre waves birthday cake + crab cookie pops, oyster pearl macarons & starfish cookies
  • ‘Seaweed’ studded with stuffed felt fish + a tablescape with sea glass vases filled with Baby’s Breath
  • A simple blue smash cake & embroidered shark birthday shirt + simple waves printable design

under the sea birthday party ideas

oyster pearl macarons

under the sea smash cake and shark shirt

simple ocean waves party flags

stuffed felt fish toys

under the sea first birthday

starfish cookies and crab truffles

under the sea party tablescape

nautical under the sea party invitation


PARTY DETAILS as told by Danielle

Leo’s mother knew she wanted an Under the Sea theme for his first birthday from the day he was born. She told us she wanted a lot of sea animals on clean decorations, so that’s what we did!

Most of the animals were made with food, like the octopus cupcakes, crab cookies, starfish cookies, oyster macarons and fish candies. We also made animal shaped toppers for the more plain sweets. As it was a boy party, we didn’t want to use a lot of flowers, so we made arrangements using just leaves, like seaweed, and some felt animals swimming around in the seaweed.

The backdrop was made with blue tons of paper. We loved the result! The centerpieces were made with real beach sand and shelves.

At the entry of the party, we placed some scuba diving equipment (that belongs to the Leo’s grandpa) so that all of the human guests could breathe under the sea! ;)

By |2017-02-16T10:11:58+00:00August 27th, 2014|First Birthday, Parties for Boys|

About the Author:

Jennifer Sbranti is the founder of Hostess with the Mostess®, a creative living and party planning resource established in 2006. She lives in Northern California with her husband, Sonny, and daughters Macy (8) and Rylie (6). Sbranti’s work has been featured in media outlets such as Good Morning America, The Today Show, Real Simple, People, InStyle Weddings, and Extra! TV. She has designed creative content and unique live events for several well-respected brands, including Mattel, Coca-Cola, The Hershey Company, Toys”R”Us, Pottery Barn Kids, and Starbucks.


  1. @JSGEvents August 27, 2014 at 2:09 pm

    Boy’s Under the Sea First Birthday Party http://t.co/niJmSLqqwa

  2. @PinguinoEvents August 27, 2014 at 2:39 pm

    Hostess with the Mostess®

    Under the sea parties aren’t just for little mermaids! Danielle Dalledone of Emotion –… http://t.co/Vu3shai6D3

  3. @honestywedding August 27, 2014 at 3:51 pm

    Boy’s Under the Sea First Birthday Party #catering #wedding http://t.co/BG4WoQdgEe

  4. Alicia Amarel August 28, 2014 at 12:29 pm

    Love the soft blue colors. The oyster macarons and fish candies are so…cute. And the birthday boy…well adorable!!

  5. momsandmunchkins August 28, 2014 at 6:25 am

    Aww, such a cute birthday party. The picture of you two throwing him is so precious. You can just see the excitement in his face.

  6. Dani Dal August 28, 2014 at 1:44 pm

    Thank you Alicia!

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  8. Kate Cordes July 30, 2016 at 7:25 am

    What a beautiful celebration!

    Where can I find this little shark embroidered birthday shirt for my own little sweetie turning one next month?

    If anyone could help us track it down we would be so grateful!

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