Description: Experience the epitome of luxury living at 16316 Rio Vista Rd, a once-in-a-lifetime opportunity that cannot be missed. This exclusive property, situated at the very end of Rio Vista Rd off Artesian Rd, offers unparalleled privacy and breathtaking ocean breezes. Enjoy the freedom to bring your dream vision to life with no architectural restrictions, allowing for up to 4000 SF of outbuildings including barns, RV garages, and studios. Embrace the potential for amenities like a tennis court, putting green, and space for up to 30 horses, kennels, and more. Southern orientation, nestled on 3.25 acres adjoining 4000+ acres of Open Space preserve; this sanctuary boasts award-winning schools, stunning sunset views, and direct access to the RSF trail system —all just minutes from 4S Ranch/ Santaluz and Del Mar. Seize this rare chance to create your Ultimate Retreat with Limitless Possibilities at 16316 Rio Vista Rd. **Looking for the finest lot to build your dream home - Without Argument Rio Vista is it!** Additional Remarks: The current 1200 SF income producing Guest House, qualifies as an ADU with STVR history. There are two septic systems installed to currently support 6 or 7 bedrooms & expandable up to 10. Includes plans for a dramatic entry drive gate and lower putting green w/ fairway and multiple tee-boxes.