From this point at the corner of South and Whitehead Streets, there are a mere 90 miles to Cuba. Erected in 1983 by the City of Key West, the Southernmost Point buoy is a landmark and a must-see for any traveler to Key West. It is suppose to be as south in the US as you can go? If it’s not then it’s pretty close. I want to go back here when I lose the weight and get a before and after – just saying.