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400+ Coolest Homemade Under the Sea Cakes

Take a look at these cool homemade Under the Sea cakes shared with us by cake decorators from around the world. Along with the birthday cakes here, you’ll also find loads DIY birthday cake-making ideas and how-to tips to inspire your next birthday cake project. Enjoy!

And don’t forget… if you end up with a cool cake, have great tips to share or pictures of awesome birthday cakes you’ve made in the past, share them here and be a part of our coolest birthday cake community.

Latest Under the Sea Cakes

Featured Under the Sea Cakes

Swimming Penguins Cake

Perfect Penguin Friends Cake

Who says winter birthdays can’t be fun?!?  Sure, you can’t be outdoors, but you can stay inside and enjoy dream up the perfect penguin cake. That is just what my 8 yr old daughter who was born in January and is obsessed about penguins did to make her birthday party a huge success. Weeks before her birthday we searched high and low to find just the right toppers to make it the perfect penguin cake. We first found black and white fondant for the penguins. Then, my daughter sought out the extras that made the cake creative and super yummy. Read more about this Penguin cake…

Ocean Scene Cake

Coolest Easy and Beautiful Ocean Theme Cake

My husband and son made this beautiful ocean theme cake for our Cub Scout Blue and Gold Banquet Father-Son Bake off. It won a couple of awards at the celebration and my son was sooo excited!  We had an Ocean Themed Father-Son Bake-Off because our pack is travelling to Jekyll Island, GA for our annual Memorial Day Camping Trip. Read more about this Ocean Scene cake…