There are a lot of specs to consider when you’re shopping for a hot tub: how many people it can sit, how many jets, and the length and width (vital for making sure it will fit into your space). There’s one more spec you may be wondering about: How deep is a hot tub? Do you even need to concern yourself with the depth? Absolutely. Hot tub depth does matter, for some people more than others. In this article, we’re breaking down everything you ever wanted to know about how deep hot tubs are.