The Wetlands Center is located at 1724 Market Street in Baytown. To get there:

From Houston:
Take Interstate-10 east to the Spur 330 exit. Turn south on 330 (Decker Drive), and drive approx. 4 miles, continuing on Decker Drive after crossing under TX-146. Follow the curve to the right after which Decker Drive becomes Market Street. The Wetlands Center is on the right side of the street approximately 1/2 mile further, across from the Lee High School auditorium.  

From Galveston:
Take TX-146 north. After crossing the Fred Hartman bridge over the Houston Ship Channel, bear left and take the West Texas/Decker Drive exit. Go right on Decker Drive. Follow the curve to the right after which Decker Drive becomes Market Street. The Wetlands Center is on the right side of the street approximately 1/2 mile further, across from the Lee High School auditorium.