A full wall aquarium can be an incredible and unique addition to any room, but it is also a big investment. The cost of a full wall aquarium will vary greatly depending on the size and quality of the tank, as well as any additional features you may want included in your setup. Generally speaking, you should expect to pay anywhere between $10,000 - $50,000 for a basic setup that includes the tank itself plus some essential accessories like lights and filtration systems. If you are looking for something more elaborate or higher-end then the price tag could easily rise into six figures. It’s important to consider not just the initial cost when budgeting for a full wall aquarium but also ongoing costs such as electricity bills which can quickly add up if your tank is large enough!