Most academic rentals in Groton Long Point rent up to 1800 a month, sometimes more depending on the location and home amenities. Contact your agent to provide you with comparable rentals for the home(s) you are considering .
Rentability tends to depend on condition. If the home is not winterized, prospects are rarer (and rent you can demand lower). Homes that are more conventional tend to be the quicker rentals.
Know that typically, academic rentals are offered furnished, so if the home is not sold furnished be prepared to provide a few standard pieces of furniture for all rooms to be occupied.