Lake of the Ozarks is around the same size as Catalina Island.

Catalina Island is approximately 194 km² (75 sq mi), while Lake of the Ozarks is approximately 212 km² (82 sq mi), making Lake of the Ozarks 9% larger than Catalina Island.
Tip: This to-scale comparison of Catalina Island vs. Lake of the Ozarks 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.