Staten Island is about 1.3 times smaller than Catalina Island.

Catalina Island is approximately 194 km² (75 sq mi), while Staten Island is approximately 150 km² (58 sq mi), making Staten Island 77.16% the size of Catalina Island.
Tip: This to-scale comparison of Catalina Island vs. Staten Island uses the Mercator projection, which distorts the size of regions near the poles.
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