St. John The Baptist Parish

Frenier launch on Peavine Rd @ I-10 exit 206. 
South end of Old US 51

Rudock Boat Launch @ I-55 exit 7

Tangipahoa Parish

North Pass Boat Launch East & West @ I-55 exit 15

The four-lane boat ramp and huge parking lot on the west side of the highway is said to be the biggest in the state and routinely accommodates hundreds of vehicles and boat trailers on busy weekends.