From I-10, take Exit #241 for Greenville (US-221). Go south toward Perry, approximately 20 miles. Go through Perry to US-19 and turn left, heading south. Travel approximately 1.5 miles to the entrance on the right, next to the State Park/Museum. The Extension Office is a large green building on the left.
From US-19 Northbound, the Extension office--a large green building--is one mile from the first traffic light, on the left side of the road.