The bunkhouse, which sleeps 24 people and has its own showers, can be rented for $1,000 a night. ‘People who love it here are often people who spent time in their childhoods at camps like this,’ says Ms. Surratt. ‘But also hipsters who want to immerse themselves in a different era.’

The interior of the tree house. The camp’s rustic-chic style has been profiled in several design publications and blogs. Three luxury product brands, which Ms. Surratt declined to name, have licensed the camp name and plan to release products based on its aesthetic in 2015, she said.  The dining area of the lodge. Camp Wandawega doesn’t offer food or other services; campers bring and prepare their own food and share cleanup dutie.

Though the camp offers accommodations so rustic the owners require renters to read a ‘Manifesto of Low Expectations’ before booking, Camp Wandawega was included last year in Travel & Leisure’s World’s Greatest Hotels book. Here is a sleeping tent.