Welcome to Penthouse 1210 at Belle Harbor, a truly exceptional waterfront residence located at 521 Mandalay Avenue in the heart of Clearwater Beach. Offering over 3,426 square feet of interior living space and an additional 575 square feet across four expansive balconies (each bedroom has private balcony access), this 3-bedroom, 3.5-bathroom penthouse delivers an unparalleled blend of scale, sophistication, and sweeping coastal views. Designed for both elegance and comfort, the residence features travertine and ceramic tile flooring throughout the main living areas, expansive windows, and a thoughtfully designed layout that flows seamlessly from indoors to out. The four large balconies wrap the entire penthouse, creating multiple vantage points to enjoy sunrise and sunset, lending to one of the most visually stunning vantage points in all of Clearwater Beach. Additionally, this unit features a beautifully updated, custom kitchen with high end appliances, millwork range hood, bar seating, and butler’s pantry. Additional rooms include, formal dining space, family room, living room, indoor laundry room, and breakfast nook with panoramic views. This listing is further enhanced by a private 45’ boat slip with 15k lift, and water and electrical, two reserved, side-by-side, covered parking spaces, and a climate-controlled storage unit—a rare and highly coveted combination. This penthouse must be experienced in person to fully appreciate its scale, views, and lifestyle. An extraordinary opportunity to own one of Belle Harbor’s finest residences on Clearwater Beach. Belle Harbor is one of Clearwater Beach’s premier luxury condominium complexes, set on six acres of prime waterfront and offering a full suite of resort-style amenities. Residents enjoy 24/7 manned security, a heated pool and spa, fitness center, clubhouse and lounge, billiards room, assigned under-building parking, and a 65-slip private marina. The location places you just moments from Clearwater Beach’s renowned dining, shopping, and year-round activities.