Sarasota is about 3.2 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Sarasota (map shows its 40 named neighbourhoods; the area covers the whole city) is approximately 38 sq km, making Sarasota 31.47% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. Sarasota uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.