You don't need a passport for the Aloha State if you're a US citizen or permanent resident. However, there is a curious caveat where you'll need a passport on hand. If you're traveling from or through a foreign country, you'll need a valid passport to get into Hawaii.
The American Citizen Services Section wants to remind all U.S. citizens not to travel outside the United States without a valid U.S. passport. While dual citizens may be able to travel abroad with alternative documentation, all U.S. citizens are required to present a U.S. passport to re-enter the United States.
U.S. citizens are generally required to present a valid U.S. passport when traveling to The Bahamas, as well as proof of anticipated departure from The Bahamas. Those traveling to The Bahamas on a cruise may use another Western Hemisphere Travel Initiative (WHTI) compliant document.
1. The Commonwealth of Puerto Rico. Welcome to the largest of the U.S. territories, my favorite U.S. territory. Holding more people than all other territories combined, Puerto Rico (PR) also happens to be the cheapest territory for travelers, which makes it perfect for those who prefer spending more on adventures.
In the Micronesian subregion of the Pacific Ocean, lies Guam, a tropical paradise that also happens to be a US territory. In Guam the lifestyle is easy and laid back, the climate is mostly pleasant and mild, and the people are warm and welcoming.
Approximate monthly expenses for a two-person household: Monthly Rent for 85 m2 (900 Sqft) furnished: $2,200. Monthly Rent for 85 m2 (900 Sqft) unfurnished: $1,500. Basic Utilities (Heating, electricity, gas) for two people in 85m2 Flat: $350.