The route continues northeast and east around the northern edge of Bahia Grande before reaching the southmost edge of Laguna Vista. The route then turns southeast, running along the coast of the Laguna Madre. Continuing southeast, it passes through the town of Laguna Heights, before reaching the city of Port Isabel.
The path proceeds northeast and east around the northern boundary of Bahia Grande until it reaches the southern edge of Laguna Vista. It then turns southeast, along the coastline of the Laguna Madre. Continuing in this direction, it passes through Laguna Heights before arriving at Port Isabel.