Boca Grande is a small residential community on Gasparilla Island in southwest Florida. Gasparilla Island is a part of both Charlotte and Lee counties, while the actual village of Boca Grande, which is home to many seasonal and some year-round residents, is entirely in the Lee County portion of the island. It is part of the Cape Coral-Fort Myers, Florida …Boca Grande is a small residential community on Gasparilla Island in southwest Florida. Gasparilla Island is a part of both Charlotte and Lee counties, while the actual village of Boca Grande, which is home to many seasonal and some year-round residents, is entirely in the Lee County portion of the island. It is part of the Cape Coral-Fort Myers, Florida Metropolitan Statistical Area. Boca Grande is known for its historic downtown, sugar sand beaches, blue water and world class fishing.