Welcome to the coveted Bayside Peninsula, where timeless coastal charm meets effortless Southern California living, just steps from the sand. Beautifully remodeled and thoughtfully designed, this exceptional duplex offers a rare combination of lifestyle, versatility, and investment potential, featuring a spacious 3-bedroom, 2-bathroom front residence and a separate 1-bedroom, 1-bathroom rear residence. The front home welcomes you with light-filled interiors, beautiful views across Alamitos Bay, and an inviting open-concept floor plan designed for both comfortable everyday living and entertaining. Soaring wood-beamed vaulted ceilings and a striking wood-burning fireplace bring warmth and character to the expansive upstairs living and dining areas. The beautifully appointed kitchen features updated cabinetry, granite countertops, stainless steel appliances, and modern fixtures. Just beyond, a charming private balcony with a tranquil water fountain offers the perfect setting for morning coffee, alfresco dining, or unwinding after a day on the water. The spacious primary suite features a walk-in closet and private bathroom, while the lower level offers two additional generously sized bedrooms and a second living area with its own wood-burning fireplace, creating wonderful flexibility for family and guests. Privately situated at the rear of the property, the separate one-bedroom residence features a full kitchen, comfortable living spaces, updated finishes, and laundry hookups. Ideal for extended family, visiting guests, or generating rental income, this independent residence adds exceptional versatility. Additional highlights include updated windows, flooring, LED lighting, copper plumbing, forced-air heating, a distinctive architectural cupola, and a roof accented with copper detailing. Beautifully landscaped grounds enhance the property's coastal appeal, while a rare three-car garage configuration, extensive storage, and additional off-street parking provide an extraordinary convenience in this sought-after beachside neighborhood. Ideally located moments from Alamitos Bay, Naples Island, and the vibrant shops and restaurants of Belmont Shore, this remarkable property presents an exceptional opportunity to embrace the Peninsula lifestyle. Whether enjoyed as a primary coastal residence with separate guest accommodations or an income-producing investment, this is beachside living at its finest.