Nita Warcken, 14, said she and her friends like to visit a place where they don't feel hassled.
"I like the self-serve. There's not someone like hovering over you all the time," she said.
Margaret Schneider, an insurance agent from Fargo whose territory is Valley City, said she had been setting up shop at the town library but likes the fact she can eat and drink and talk with people at The Vault.
"The regulars who come in here have become friends of mine," she said. "It's a nice meeting place. You don't have to spend a lot of money and you don't have to be bored.