A Rare Biscayne Bay Waterfront Estate | 300 Feet of Water Frontage. Set on an extraordinary half-acre point-like setting in the gated Keystone Islands, this exceptional estate offers approximately 300 feet of water frontage and sweeping panoramic views across Biscayne Bay. With 6,613 square feet of living space and 8,025 total square feet, the six-bedroom residence combines expansive entertaining areas, walls of glass, elegant finishes, and seamless indoor–outdoor living. Resort-style grounds feature a waterfront pool, expansive terraces, tropical landscaping, and a private dock with direct boating access and no fixed bridges. Just minutes from Bal Harbour, this is an exceptionally rare opportunity to own a substantial waterfront property defined by privacy, scale, and extraordinary bay views. The interiors further enhance the home’s exceptional setting, creating living experience that takes full advantage of its remarkable positioning. Rich marble and wood flooring, custom built-ins, and walls of glass fill the interiors with natural light while framing spectacular water views throughout. An extraordinary combination of location, scale, and waterfront living, this estate presents a truly rare offering in one of Miami’s most coveted waterfront communities.