Magnificent beaches on Maui The Maui island is the 2nd-largest of the Hawaiian Islands at 727.2 sq. miles and is the 17th largest island in the United States. Maui is part of the state of Hawaii and is the biggest of Maui County's four islands. Having 120 miles of coastline, Maui boasts over thirty miles of lovely beaches. On these world famous shores you will find white, black and red sand beaches, famous surfing and windsurfing spots and also several of the finest beaches on the planet. The island of Maui is home to many of the most astonishing beaches. A few beaches offer swimming throughout every season, while others are fantastic for surfing or snorkelling during particular times of the year. The majority are easily accessible beach recreational areas having lifeguards, picnic amenities and restrooms. Others are undeveloped, "secret areas" located away from the beaten path. No matter where you choose to stay, there are often some popular beaches nearby.