Courtesy of Airbnb Just because popular Airbnbs, like this Atlanta tree house, are booked solid for months doesnât mean you should give up looking. Use these tips to find a summer vacation rental. share this article For the recently vaccinated, youâre probably itching to book your first big trip in a very long time. The problem is, a lot of people have the same exact idea. If youâve poked around Airbnb or any other vacation rental site recently, it may seem like every single cabin, beach house, and tree house in the United States is already taken for this summer.Â