However, the Old Seven Mile Bridge runs parallel to the highway. It is only accessible by bike or on foot, making it a better option for anybody looking to take the scenic route between Marathon and Bahia Honda.
Get to know this 4.2-mile out-and-back trail near Marathon Shores, Florida. Generally considered an easy route, it takes an average of 1 h 13 min to complete.
You can walk, bike or rollerblade the approximately 2.2 miles to Pigeon Key on the bridge and enjoy the amazing views. In the Florida Keys, there is no name better known than Henry Flagler who built the world-famous Oversea Railway in the early 1900's.
It's part of the scenic Overseas Highway. It's a 2-lane bridge causeway -one lane each way- . Stretching out into the open sea, it's one of the longest bridges in the world. For good reason too, it makes a spectacular landmark as it stretches out over the blue sea below.