The Cassina Group is pleased to announce the successful sale of 1750 I’On Avenue on Sullivan’s Island for $9,450,000, with Caroline Mollica representing the buyer. The transaction ranks as one of the highest residential sales on Sullivan’s Island in 2026.
Located on one of Sullivan’s Island’s quiet, oak-lined streets just moments from the beach, the historic residence blends timeless architectural character with thoughtful modern updates. Originally built in 1900 by the U.S. Army Corps of Engineers, the home has been carefully restored while preserving many of its original details, including 11-foot pressed tin ceilings, vertical grain heart pine floors, original chandeliers, and five working fireplaces.
Spanning more than 6,000 square feet across three levels, the home offers six bedrooms and five-and-a-half bathrooms, with expansive wraparound porches that capture the island’s coastal breezes. The renovated kitchen pairs historic charm with modern functionality, featuring professional-grade Thermador appliances, granite countertops, Moroccan zellige tile, and a custom antique island.
Outside, the property is surrounded by mature live oaks, palms, and citrus trees, creating a private garden setting. A crushed oyster shell terrace, historic cistern, utility shed, carport, and whole-house generator further enhance the home’s appeal. Located within the Officers’ Quarters district, the property offers convenient access to the beach, island parks, tennis and pickleball courts, local restaurants, the public boat ramp, and Downtown Charleston…