2550 HARBOURSIDE DRIVE 324 Located within the coveted Marina Bay community on Longboat Key, this beautifully appointed three-bedroom, three-bath residence offers an elegant blend of refined design and relaxed waterfront living. A gracious foyer introduces a thoughtfully curated interior featuring neutral tones, wood flooring, layered textures, glass and mirror accents, and designer lighting that create a sense of openness and sophistication. The living room is highlighted by a dramatic corner of glass opening to a screened terrace with serene views of the mangrove preserve, lagoon, and Sarasota Bay beyond. The open floor plan is ideal for entertaining, flowing seamlessly into a well-designed kitchen with generous counter space, striking tilework, white cabinetry with glass accents, stone countertops, an eat-in area, and premium appliances. The primary suite offers direct terrace access, a spacious custom closet, and a spa-inspired bath, while guest suites provide comfort and privacy. An in-residence laundry room with built-in desk space adds convenience. Marina Bay welcomes small pets and offers onsite management, a fitness center, library, tennis courts, and a heated pool, with boat slips available for purchase or lease. Residents also enjoy the exceptional privilege of exclusive, deeded access to the Bay Isles Beach Club, featuring gated entry to a private stretch of Gulf-front white-sand beach with parking, restrooms, showers, and shaded seating—an uncrowded and effortless beach experience reserved solely for Bay Isles homeowners. Optional membership to the Longboat Key Club further enhances the lifestyle with championship golf, tennis and pickleball, a private beach club, marina, spa and wellness amenities, multiple dining venues, and an active social calendar.