Along with legality, Hawaii offers couples good weather, beautiful scenery, many flight options, a U.S. locale and simple regulations. "You can get your license and get married in the same day," says Rebelo. "There's no blood test, no waiting period. In Europe, obtaining the license is more involved. There may be a waiting period. A marriage in Mexico might not be recognized in the U.S."
Also, since Hawaii is a U.S. state, a marriage in Hawaii can confer pension, health, tax and other benefits. "Now with legalization, if you get married in a state that recognizes same-sex marriage, then each partner can get federal benefits. That's huge, "says Cook.