Catalina Island is about 1.5 times bigger than Lake Norman.

Lake Norman is approximately 128 km² (49 sq mi), while Catalina Island is approximately 194 km² (75 sq mi), making Catalina Island 52% larger than Lake Norman.
Tip: This to-scale comparison of Lake Norman vs. Catalina Island 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.