It's 30"long, 12" deep, 18" high. Give or take a little. It has a small chip in the upper corner near the top, but it's been there for 4 years and never leaked. Tank is probroly 10 years old, but been used last 6 for saltwater. 50/50 (20 watt) light is less than a month old. Stand is black iron, still good shape.