Aloha and welcome to Hawaii! Explore this paradisiac islands of golden beaches, green mountains, black lava rocks and colorful coral reefs. Maui is the second largest Hawaiian island, and has it all for a great vacation destination: warm weather, beaches, mountains, volcanoes, valleys, forests, waterfalls, luaus, history; and a lot of diving, snorkeling, surfing, hiking, biking and whale watching activities.