From Hattiesburg:

Drive approximately 14 miles south on State Highway 49 South. Slow down and watch for the blue camping sign.  Slow and turn right at entrance.

 From Gulfport

 Drive north approximately 50 miles on State Highway 49 North. Watch for Kangaroo gas station at Brooklyn, MS. Approximately 1 mile past Kangaroo gas station slow down at the blue camping sign. Turn left at cross-over and enter Cypress Hill RV Park.

 Map Quest

 See Ya'll Soon & Drive Safely!