There's a wonderful retreat center in Danville Illinois called Threads & Beds. It's in the back of Threads of Time quilt store. They have kitchens, bathrooms, bedrooms, sewing rooms and several HUGE design walls. They're also remodeling a large conference room. They're on the web at
http://www.threadsoftimefab.com If anyone is nearby and interested in organizing a retreat with your friends, check it out. So far I've never been able to get to a retreat over there but it's on my bucket list.