[header] How to take care of a land hermit crab [title] Buy a 5-10 gallon (18. 9-37.9 l) fish tank. [step] Allow a lot of room for them to roam around in. [title] Put sand in the tank. 
[step] You should put enough sand so that a hermit crab could fully cover itself with it. [title] Place decorations in the tank, like rocks and miniature logs.