Setting up your new aquarium is a fun and exciting time. While you can always change certain objects and decorations, its important to start your aquarium off on a good note. There are thousands of different themes to choose from, and at times it may be frustrating to decide on the perfect fish tank decor. As life-long fish owners, over the years we have seen tons of cool and innovative ideas for fish tank decorations. We thought it would be helpful to put together a list of some of our favorite cute fish tank decor. We will also list the cheapest place to buy these cute decors if you are interested in getting the theme for your fish tank.

As a reminder, it is important to only put objects in your aquarium that are designed to be in a fish tank. Some object contain chemicals that can leak into the water and harm your fish, so make sure to only use objects that are intended for fish tanks. Without further ado, here is are list of the cutest fish tank decor.

Cute Fish Tank Decor

The first fish tank decor on our list is the bikini bottom theme from spongebob. This cute decor can be purchased from amazon.com for under $21.

Another Cute Fish Tank Decor idea is a castle. Whether you are a game of thrones fan or a dark ages historian, the castle theme will provide an exciting environment for your fish. The cheapest castle fish tank decor can be found on Amazon for under $20.

Last but not least, our favorite cute fish tank idea is the classic sunken ship. You can buy the sunken ship decor on Amazon for under $15!