An exceptional waterfront opportunity offering rare versatility: 3.5 acres with two homes. Behind a gated entrance, the 4,068 SF main residence is a study in architectural detail: columned rotunda entry, 20' foyer, triple arched gallery hallway, bow-windowed river room, study with gas fireplace and built-ins, true chef's kitchen, master suite with spa bath and double tray ceiling, elevator, and 2025 roof. Generously windowed throughout, this home abounds with natural light and river views. Upstairs bonus room with morning kitchen and half bath offers flex living. Screened pool and spa. Full dock package with covered slip, boat lift, platform, and bulkhead. The 1,960 SF guest house with screened porch and two-car garage is ideal for multigenerational living or extended visits. Enjoy peace and privacy -- and still minutes from top-rated schools, dining, and shopping on desirable Fleming Island. For those seeking a legacy property on the St. Johns, this is it.