Travel Interstate 45 South (Gulf Freeway) to the Galveston Causeway. Soon after crossing the Causeway, I-45 becomes Broadway (SR-87, Ave. J). Continue traveling along Broadway for 4 miles. When you see the giant Stewart Beach billboard in front of you, bear right onto Seawall Blvd. Continue along Seawall Blvd. to 17th & Seawall Blvd. Captain Jack's will be on your right.
From Bolivar Peninsula:
Starting from Crystal Beach, travel approximately 10.7 miles to the Bolivar Ferry. Upon exiting the Ferry, take Ferry Road (SR-87) approximately 1.4 miles to Seawall Boulevard. Bear right onto Seawall Boulevard. Soon Seawall Boulevard merges into Broadway. Turn left (south) onto 6th St. (University Blvd.) and immediately bear right (southwest) onto Seawall Boulevard. Travel west very briefly along Seawall Blvd. to 17th & Seawall Blvd. Captain Jack's will be on your right.