How many visitors to coastal Marin spend the night? The conversation around November’s ballot measure that proposes to increase the transient occupancy tax in West Marin has oft cited that just 3 percent of tourists are overnighters. Yet in the absence of available data from the National Park Service or the county, that number is mere guesswork.
The claim that 97 percent of visitors do not stay in short-term rentals has supported the argument by…