- South ONLY
- Southern Terminus:
- Montauk Highway (NY 27A) in Bay Shore
- Northern Terminus:
- Fifth Avenue (CR 13) in Bay Shore
- 0.64 miles
The southernmost section of Fifth Avenue (CR 13) in Bay Shore is a northbound one-way street. Southbound traffic is forced onto Clinton Avenue, which is one-way in the other direction and is designated CR 13A. It extends for about two thirds of a mile to Montauk Highway (NY 27A), where it ends.