1501 BIG TREE Road Welcome to Neptune Beach's ''Flagship House'' - a rare estate-style retreat where timeless elegance, exceptional space, and endless possibilities come together on over half an acre. From the moment you arrive, the home's impressive curb appeal is elevated by GOVEE app-controlled exterior lighting, allowing you to customize colors for holidays, celebrations, special occasions, or everyday ambiance with the touch of your smartphone. Designed for both everyday living and unforgettable entertaining, the main home offers a dedicated home office, formal sitting room, elegant dining room, and an expansive living room anchored by a stunning brick fireplace. The spacious kitchen is the heart of the home, featuring a walk-in pantry, casual dining area, and seamless flow into the main living spaces, including a recreation area complete with a pool table that conveys with the home. Ideal for multi-generational living, guests, or long-term accommodations, the first floor includes a private bedroom with a full ensuite bathroom and direct access to the screened lanai and pool, creating the perfect mother-in-law suite or private guest retreat. Upstairs, the luxurious primary suite is accompanied by two bedrooms connected by a Jack-and-Jill bathroom, plus an additional ensuite bedroom, offering comfort and privacy for everyone. Step outside to your own private backyard oasis. The fully screened pool and lanai feature a covered outdoor dining area, spa, and direct access to the detached guest house/pool house, complete with a full kitchen, studio-style bedroom, and full bathroom, perfect for extended family, visitors, a home office, gym, or potential rental opportunities. Situated on over 1/2 acre, this incredible property also conveys with the spa, pool table, and swing set, making it truly move-in ready for creating lifelong memories. Whether you're searching for a luxury pool home, an estate property with guest quarters, or the perfect place to entertain and grow, the Flagship House delivers a lifestyle that's as extraordinary as it is unforgettable.