4123 US-17 BUS, Murrells Inlet, SC 29576, USA | Check in at the Crazy Sister Marina Ticket Office. We share the building with the Wicked Tuna restaurant. The office is found at the top of the white steps on the far right side of the building. Parking with free validation is available in the gravel Fishing & Cruises lot. Please scan the QR code in the parking lot, choose Crazy Sister Marina and enter your license plate number. Additional free overflow parking is available across the street from Dead Dog Saloon.