151-200+ Gallon Aquariums

For hobbyists looking to build something truly impressive, tanks in the 151 to 200+ gallon range offer the space and flexibility to bring big ideas to life. These larger aquariums are perfect for advanced reef systems, mixed reefs, or predator tanks with larger or more active fish.
 

With more water volume comes greater stability, room for complex aquascapes, and the ability to run high-end equipment. Whether you’re planning a showpiece for your home or expanding a professional setup, this collection includes large-format tanks built to handle serious saltwater systems.