Experience island living at its best in this renovated 4,220SF estate within Grand Bay Estates, Key Biscayne's only guard-gated single-family enclave! This 5BR/5.5BA home features a 2021 roof, 2022 tankless water heaters, 2025 HVAC and full storm protection. The chef's kitchen shines with Quartz counters & Sub-Zero, Wolf, & Miele appliances, plus a dual-zone Sub-Zero wine fridge. The versatile layout includes all en-suite bedrooms, staff quarters, & a private in-law suite with its own entrance. Modern essentials include a climate controlled 2-car garage plus golf cart garage. The backyard oasis offers a heated saltwater pool, summer kitchen & retractable awnings, perfect for entertaining! HOA covers lawn care, 24hr security, pool maintenance, pest control, plus private park & playground! For the ultimate experience in luxury and privacy, look no further!