From The Arthur Ravenel Bridge Use The Left Two Lanes And Continue Onto Us-17 N/Johnnie Dodds Blvd. Turn Left Onto S Shelmore Blvd. At The Traffic Circle, Take The 1St Exit Onto Mathis Ferry Rd. Turn Left Onto Heron Pointe Blvd. Turn Right Onto Marshgrass Blvd. Home Is On The Right.