hello,  So the paved road stops at that spot of Masanabo Lane but per leepa.org it continues South for 20 ft 
location : 
X = 689700.0310 
Y = 818799.0896 
then west on a paved/unpaved tract of land for 448 ft till you hit the Caloosahatchee river
X = 689248.8224  Y = 818791.4430
classified as a public right of way