Stunning main house at 4705 Island Cove and adjacent 2.13-acre lot at 4709 Island Cove on Lake Austin offers an unparalleled opportunity for luxurious waterfront living. 4705 Island Cove is nestled on a privately gated 1.1-acre lot within The Island, an exclusive waterfront community inside the 360 Bridge, this modern masterpiece was meticulously updated by Britt Design Group to create a home designed for entertaining. The main level also features formal and informal dining areas, a chef's kitchen with a walk-in freezer, discreet catering kitchen, and a lounge with a walk-in humidor to socialize after dinner with friends and family. The primary suite is a serene retreat and offers a dedicated sitting area, dual walk-in closets, a backlit White Patagonia granite shower in the spa-like bathroom, heated floors and towel rack, plus a flexible living area that rounds out the wing. Throughout the home, eight living spaces, including a game room and a lower-level pool lounge, provide endless opportunities to host intimate gatherings or grand events. Outdoors, the luxurious amenities continue with an expansive pool, hot tub, swim-up bar, and a fully equipped outdoor kitchen. The home is complete with three guest rooms, a lower-level kitchenette, saferoom, three-car garage and 2-slip boat garage. 4709 Island Cove, is a 2.13-acre tree-dotted lot that offers the option for future expansion or can be maintained as a peaceful green space, providing additional privacy and room to enhance the already impressive estate. *A separate offering of 4705 Island Cove, 4709 Island Cove, and 4400 Island Avenue combined is listed for $25,500,000. Together, these three tracts offer +/- 4.85 acres and +/- 450 feet of Lake Austin waterfront. Tax and assessed values are estimates for illustration purposes only. All figures should be independently verified. 24-Hour Advanced Showing Notice.