Welcome to "Casa Aqualina," a North Beach bayside spectacular located on one of the area's most beautiful streets. This impeccably maintained, one-owner home has never been rented and offers an unbeatable dual-water lifestyle. Grab your gear and stroll just 300 feet to the bay, a calm-water haven perfect for morning swims, kayaking, stand-up paddleboarding and breathtaking evening sunsets. When you crave the crash of the waves, a pristine ocean beach is a mere 500 feet away, making it effortless to spend your days sunbathing and soaking in the sea breeze. Inside, the home welcomes you with sunny, south-facing large windows and sliding glass doors, modern finishes, and everyday livability. Step into the private entry foyer and discover a modern, open-concept, reverse-living floor plan designed to maximize grand entertaining spaces and bay views. The top floor reveals a gorgeous, light-filled great room area featuring vaulted ceilings, gas fireplace, and oversized architectural windows. Flowing seamlessly from the vaulted great room is a chef's-grade kitchen fully equipped with stainless steel appliances, striking nero quartz countertops, an azure tile backsplash, a breakfast bar, a pantry closet and abundant white lacquered cabinetry. A large dining area accommodates all your family and guests, leading out to a balcony overlooking the bay for memorable alfresco meals, grilling and a gas fire pit. Additionally, a separate bedroom and full bath on this level offer the perfect private retreat for extended family. Just a few steps up from this level you can enjoy captivating sunsets and panoramic views from your private rooftop deck. Downstairs, the first floor is dedicated to rest and relaxation, offering a comfortable second family room with access to a charming corner balcony. This level hosts three generous bedrooms, including a luxurious primary suite featuring a spa-like en-suite bath and a spacious walk-in closet. Premium amenities elevate the home further, including an elevator-ready layout, central HVAC for year-round comfort, and an oversized garage with plenty of storage for your cars, kayaks, and beach toys. Why choose between the bay and the ocean when this home lets you effortlessly have both? Get ready for a lifetime of memories in this incredible coastal sanctuary.