Ideally located in the heart of Newport Heights, this Cape Cod-style compound blends timeless design with thoughtful modern upgrades on an expansive 10,454 square foot lot. The property features a beautifully remodeled single-story main residence offering 4 bedrooms and 3 bathrooms across 2,260 square feet, plus a detached ADU with 1,000 square feet-including a 1-bedroom suite, den, laundry room, and storage-perfect for guests, extended family, or work-from-home flexibility. Originally remodeled in 2011, the home received a fresh update in 2023 with a new kitchen, updated bathrooms, and refinished hardwood floors. Light-filled living spaces showcase wood beam ceilings, custom built-ins, French doors, and warm hardwood flooring throughout. The gated outdoor area is an entertainer's dream, featuring seamless indoor/outdoor flow, a covered patio, built-in fireplace, spa, putting green, and a half-court basketball court. A detached two-car garage is complemented by two additional parking spaces in front and ample street parking. Just moments from Lido Island, A Market, the bay, and the beach, this property offers a rare blend of comfort, convenience, and coastal lifestyle. Whether you're hosting guests or enjoying a quiet night at home, 400 Catalina provides the perfect setting for exceptional Newport Beach living.