Snell Isle is a neighborhood in St. Petersburg, Florida, United States that centers on Snell Isle Boulevard. The street is named after local developer C. Perry Snell, a Kentucky druggist who moved to St. Petersburg in 1900 and began buying properties he developed into upscale residential neighborhoods, commercial buildings, and public parks. He was the driving force behind the creation and emergence of the Snell Isle neighborhood in the 1920s.