For those seeking luxurious coastal living, welcome to your new secluded haven at 16449 Ladona Circle! This breathtaking 4 bedroom, 3.5 bath waterfront retreat on highly coveted Humboldt Island offers an inviting open floor plan in one of Huntington Harbour's most awe inspiring locations. Upon entrance from the front, you're greeted by a captivating lush tropical water garden, complete with a meticulously maintained koi pond. Inside, the estate boasts a gourmet kitchen with granite countertops and stainless steel appliances, flooded with natural light from numerous dual pane windows. The butler's pantry, kitchen dining area, and living room, featuring a charming fireplace, create an ideal space for both relaxation and entertaining. Take in the stunning waterfront views from the kitchen, living room, and upper level patio, perfect for family dinners or cocktails. A formal dining room and luxurious main floor primary bedroom with en suite provide additional comfort and elegance. Transversing to the lower level, discover a meticulously maintained great room meant for entertaining family and friends, an indoor laundry room with a sink, alluring wine cellar, optimized office, two thoughtfully conceived spacious bedrooms, and the tailored to perfection second primary bedroom with breathtaking water views. The attached 2 car garage boasts epoxy flooring, granite countertops/workbench, and luxurious solid wood cabinets with ample storage. Additionally, a brand new Tesla charger installed. Step outside to the impressive and expansive 50 ft waterfront patio, leading to a brand new dock and an extraordinary private extra wide boat slip accommodating up to a 38' boat. Moments from PCH, dining, and entertainment, residents of Humboldt Island also benefit from community sports courts, private beaches, and playgrounds. A study in sophisticated coastal living, this spectacular residence really does have it all.