Martha's Vineyard is about 2.2 times smaller than Lake Tahoe.

Lake Tahoe is approximately 502 km² (194 sq mi), while Martha's Vineyard is approximately 227 km² (87 sq mi), making Martha's Vineyard 45.13% the size of Lake Tahoe.
Tip: This to-scale comparison of Lake Tahoe vs. Martha's Vineyard uses the Mercator projection, which distorts the size of regions near the poles.
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