Lake of the Ozarks is around the same size as Martha's Vineyard.

Martha's Vineyard is approximately 227 km² (87 sq mi), while Lake of the Ozarks is approximately 212 km² (82 sq mi), making Lake of the Ozarks 93.44% the size of Martha's Vineyard.
Tip: This to-scale comparison of Martha's Vineyard vs. Lake of the Ozarks uses the Mercator projection, which distorts the size of regions near the poles.
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