what is the largest desert in North America

That would be New Guinea. It is a massive place and definitely the biggest one you will find in the Pacific. I have spent plenty of time navigating those waters over the years, and the scale of the island is honestly something else when you see it on the charts or from the deck.

Most people sometimes get it mixed up with smaller island chains or even Australia, but Australia is considered a continental landmass, not an island. New Guinea really stands out because of how rugged and wild it is. If you ever get the chance to look at a detailed map of the region, you will see exactly why it holds that top spot without any real competition.