Welcome to one of Jacksonville's most extraordinary deep-water waterfront opportunities. Located in prestigious Duval County along the Intracoastal Waterway, this rare vacant lot at 16385 Waterville Road offers panoramic views toward Amelia Island and unlimited potential to build a custom luxury coastal estate. This premier Jacksonville waterfront lot features a private deep-water dock capable of accommodating up to a 100-foot yacht, delivering direct boating access to the Atlantic Ocean, Intracoastal Waterway, and Amelia River within minutes. Whether you're offshore fishing, cruising the St. Johns River, or heading south toward Ponte Vedra, this location offers unmatched marine accessibility. Even more exceptional, the property is FAA-approved for a private seaplane landing strip - a rare amenity for a waterfront homesite in Northeast Florida. Arrive by sea or sky and experience true access-driven luxury. With no HOA restrictions, expansive marsh and river views, and a peaceful, private setting, this buildable estate lot is a blank canvas for a one-of-a-kind custom home. Design a modern coastal retreat with room for a pool, guest house, and expansive outdoor living spaces capturing spectacular Jacksonville sunsets. Conveniently located near: Downtown Jacksonville Jacksonville Beaches Amelia Island JAX International Airport World-class golf, boating, and fishing This is a rare opportunity to secure one of the most unique deep-water estate lots in Jacksonville, Florida - combining privacy, flexibility, and elite water access in one remarkable property.