3600 Frederica Road 13 3600 Frederica, suite 13, is one of 17 commercial condos that primarily are occupied by quaint retail shops, restaurants and professional offices that are locally known as the Frederica North Center (Frederica North Commercial Condominiums). Each unit is separately owned. Unit 13 is currently occupied by the Wallin Art Gallery and is approximately 1488 square feet. This offers a great opportunity to own a business location on St. Simons Island for a business owner's personal use or as an income property. Since the property is a commercial condo, there is a monthly association fee.