In terms of both population and land area, Kaho'olawe in Maui County is the smallest out of all the main islands. Its area is 115 km², and has never had any permanent residents, due to its arid terrain and lack of fresh water. The next biggest one is Ni'ihau, the westernmost Hawaiian island. It's part of Kaua'i County.
Is Maui less crowded than Oahu?
Oahu, home to capital city Honolulu, is generally more crowded than Maui. It boasts the best-known destinations in Hawaii. You can book one of the many hotels on Waikiki Beach, visit the U.S.S. Arizona Memorial, and explore the views from Diamond Head State Monument.
Is Oahu too crowded?
Overcrowding: Oahu is a popular tourist destination, so it can be crowded, especially during peak season. Honolulu, attracts millions of tourists every year and this can lead to crowded beaches, attractions, and restaurants.