These Are The Backyard Pond Sizes And Depths People Choose Between For Their Home
The best backyard pond size is one that fits into your backyard the way you want it to! The best depth is one that helps create a thriving ecosystem in your pond.
In this post, you can find out the best backyard koi pond sizes and depths. You can also discover some ways to determine the best pond size for your yard.

What Is The Best Backyard Koi Pond Size?
The best backyard pond size is one that can fit comfortably into your backyard and can be run without hurting your wallet. Most people tend to choose the average pond size of 10 feet by 15 feet.
What Is The Range Of Backyard Koi Pond Sizes?
The best backyard pond size is one that can fit comfortably into your backyard and can be run without hurting your wallet. Backyard koi pond sizes range from 6 feet by 8 feet to 20 feet by 30 feet and larger. Ponds smaller than 6 by 8 feet aren’t good homes for koi fish.
What Are The Backyard Pond Sizes From Small To Large?
Small backyard koi ponds
Small koi ponds are larger than 6 feet by 8 feet and smaller than 10 feet by 15 feet. This is usually between 1,000 and 3,300 gallons of water if the pond is 3 feet deep. Your pond can be smaller if you don’t want to put koi in it.
Average size backyard koi ponds
The average size koi pond is about 10 feet by 15 feet, which is roughly 150 total square feet. This is somewhere around 3,300 gallons if the pond is 3 feet deep. Our medium-size koi ponds are 10 feet by 14 feet.
Large koi backyard ponds
Large koi ponds are around 20 feet by 30 feet and larger. This is about 13,500 gallons if the pond is 3 feet deep. You can even get a pond large enough that it basically becomes a recreation swim pond.
*These measurements are for rectangular ponds. Not all ponds come in nice, neat shapes like this. Many are irregularly shaped as it makes them look more natural and interesting.
What Is The Best Depth For A Koi Pond?
The best depth for a koi pond changes based on your area and what you want for your yard. Most koi ponds have a depth of at least 2 feet for the majority of the pond basin. Many ponds also have a shelf around the edge that’s a foot deep. This creates an area where you can put some aquatic plants.
How Shallow Or Deep Can You Make A Koi Pond?
Your pond can be as shallow as you want if you don’t want to put fish or aquatic plants in it. If you’re planning on putting smaller fish in your pond, it needs to be at least a foot deep.
You don’t want to house koi fish in ponds shallower than 2 feet. Smaller fish will be fine, but koi need enough room to move around in. Shallow ponds will freeze all the way through during winter. This means you’ll need to move any fish inside.
If you want larger fish, like koi, it needs to be at least 2 feet deep. This keeps the bottom part from freezing during the winter if you’re where winters get that cold.
Some pond contractors recommend making koi ponds 3 feet deep. This gives your fish more area to swim. It’s also better for colder areas where the water will freeze deeper down.
*A quick note about shallow ponds: Ponds shallower than 2 feet warm up quickly. This leads to quick algae growth, meaning you’ll need to maintain your pond more frequently. This means more time, effort, and money to keep your pond clean and clear.
How Do You Determine What Pond Size Is Best For You?
You can measure the space where you want to install your pond. A best practice is to leave include walking room around where you want the pond to be. This way, you and others can enjoy the view from different angles.
You can also think about what you would like. Do you want a larger or longer water feature? Or would a smaller one fit better with your taste and style?