Here's a view of the water from the end of a short walk this morning. We had a very easy day. We walked across Key Largo to this very small beach access point among huge fenced-in houses.
After a late breakfast, we got in the car and took a ride down Route 1. We stopped at a historical park where we heard about the railroad that ran through the keys until the famous Labor Day hurricane of 1935 destroyed the tracks. What I learned: the use of mile markers to designate location along Route 1 is the legacy of the railroad, where it's a standard way to indicate location. Also that the bridges survived the hurricane, while the tracks were twisted and thrown around. A train trying to save people was derailed, with horrific loss of life.
Finally we stopped at one of the few bookstores in the area. Near the bookstore I saw two advertising signs on opposite sides of the road: