
We can build a completely custom 400 gallon aquarium (plus bigger and smaller sizes) based on any dimensions and any specifications you send us. That means tall or wide, acrylic or glass, anything. Get in touch with us today for a quick quote and we’ll get back to you as soon as we can. See some of our recent work here.
Below are 2 examples of tanks at this size that we can build – one built with acrylic and one built with glass. Prices for a tank at this size start from $2000, please message us directly for more details.
Contents

Standard 400 Gallon Acrylic Aquarium
This is an example of the type of tank we can build. This tank was made in the USA, and comes with FREE SHIPPING to any location within the USA. This is a standard tank made with acrylic. Here are the main features:
- Made with Plexiglass acrylic – the hardest acrylic on the market, which means less scratches
- Adhesives used provide the strongest bond possible to ensure longevity

Standard 400 Gallon Glass Aquarium
This is an example of the type of tank 400 gallon glass aquarium we can build. This rimless tank was made at our facility in the USA by our workshop team. Here are the details of the tank:
- Dimensions – 24 inches x 140 inches x 24 inches (height x length x depth)
- Made with Ultra clear glass (for clarity)
- Adhesives used provide the strongest bond possible to ensure longevity
Our 400 Gallon Fish Tanks
FAQ:
How often do we build tanks at this size?
We build and ship around 20 400 gallon fish tanks per month, mostly glass. Often these are for commercial properties however we frequently deliver to homes too.
400 gallons is a large aquarium size, and we have over 20 years experience building tanks of this size. If you’d like to find out more about our custom built aquariums at this size, please get in touch through our custom contact form today.