Welcome to 306 Harbor Drive in Indian Rocks Beach--a custom-built waterfront pool home on the Intracoastal Waterway offering over 4,500 sq ft, 5 bedrooms, 4 baths, a private dock with a 25,000 lb boat lift, and direct Gulf access. From the moment you enter, wide-open water views take over, visible from nearly every main living space. Built by its original builder-owner, this home was designed for true coastal living, boating, and entertaining. The oversized primary suite (27x37) features a fireplace, private waterfront balcony, and a spa-style bath with soaking tub, dual vanities, and walk-in shower. The main living area flows into a chef's kitchen with custom wood cabinetry, granite countertops, large island, walk-in pantry, and butler's pantry connecting to a coffered-ceiling formal dining room. A flexible bedroom with water views works perfectly as a home office or guest suite. The lower level offers a bonus/social room opening to the pool deck, plus a full bath for seamless indoor-outdoor living. Enjoy a saltwater pool, heated spa, and expansive waterfront space designed for sunset nights and entertaining. Additional features include a private elevator to all levels, rooftop terrace with panoramic Intracoastal views, 5-car garage with optional climate-controlled gym, smart home features, high ceilings, and no HOA. This home performed exceptionally well during recent storms, offering added peace of mind. Short-term rentals are allowed, creating strong income potential, and current flood insurance is under $1,800 per year. Located just a short walk to the beach, Brown Park, tennis courts, restaurants, and local favorites, this is a rare opportunity to own a luxury waterfront home with deep water access in one of Pinellas County's most desirable coastal communities.