Sanibel Harbour Marriott Resort & Spa

Marriott Sanibel Harbour Resort & Spa is a waterfront resort and event destination set on 85 acres along San Carlos Bay in Fort Myers, Florida, with views across to Sanibel and Captiva Islands. The property offers more than 45,000 square feet of indoor and outdoor function space across 13 event rooms and 24 breakout rooms, with a capacity of up to 965 guests in the largest venue. Four ballrooms anchor the event offering — from the expansive 9,684-square-foot Palms Ballroom, divisible into eight sections, to the Everglades Ballroom, Gardens Ballroom, and the intimate Island Room, which features floor-to-ceiling windows on all sides. Outdoor and veranda settings add flexibility for ceremonies, cocktail receptions, and waterfront gatherings. A dedicated team of event professionals supports planning from initial consultation through event day, with full in-house catering and audiovisual services available on-site. The resort also features a 40,000-square-foot spa and fitness center, a private fishing pier, water sports, and multiple dining venues, providing guests with a range of activities before and after events.