text: Really Islandsun? And all of the homeless families living on the street is just a figment of our imagination... Illegal vacation rentals are not the sole cause of our current housing crisis, but they are definitely contributing to the problem.  Other cities around the world are facing the same issue. New York, Los Angeles, Paris and San Francisco are all recognizing  that allowing vacation rentals in residential zoning reduces the housing supply for residents and raises housing costs. The purpose of residential zoning is to provide housing for residents, not hotel rooms for tourists.