Size comparison

compared to

Martha's Vineyard is about 1.2 times bigger than Catalina Island.

Catalina Island is approximately 194 km² (75 sq mi), while Martha's Vineyard is approximately 227 km² (87 sq mi), making Martha's Vineyard 17% larger than Catalina Island.
Tip: This to-scale comparison of Catalina Island vs. Martha's Vineyard uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Martha's Vineyard vs. Catalina Island

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See Martha's Vineyard on top of Catalina Island
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