Lido Key is a barrier island off the coast of Sarasota, Florida in the United States. To its north is Longboat Key, to its east is Bird Key, and St. Armands Key and to its south is Siesta Key. It is part of the city of Sarasota.
The island features numerous sandy beaches facing the Gulf of Mexico, as well as a park called “South Lido Park”, which has a beach and a woodland trail. The island is well developed with a wide variety of luxury hotels and beach houses and has a seasonal nightclub scene.
Lido Key is connected to the mainland Sarasota by John Ringling Causeway.