3 ms·You need a really big island, like North America.by b112 2y agoYou need a really big island, like North America.mort96 2y agoIs NA really an island? I always thought it was a peninsula on the coast of Central Americalayer8 2y agoIn that case, it's almost more plausible to count the Panama canal as a strait.nkrisc 2y agoBy that measure there's only one continent with a very, very large saltwater lake.IAmBroom 2y agoNonsense. There's four. One is icy AF, and another contains 95% of the world's deadly organisms.