Largest human image of a seashell

The largest human image of a seashell has 1,093 participants, and was achieved by The Beaches of Fort Myers & Sanibel (USA) as part of National Seashell Day at the Outrigger Beach Resort on Fort Myers Beach, Florida, USA, on 21 June 2018.

The final seashell measured approximately 49.27 m (161 ft 8 in) long by 22.25 m (73 ft) wide. The gathering for National Seashell Day also functioned as a non-perishable food drive. The United Way of Lee, Hendry, Glades and Okeechobee Counties collected over 129.27 kg (285 lb) of food, which was donated to the InterFaith United Way House.