Coopers Beach (Southampton, N.Y.): Coopers Beach is seen here on May 13 with pristine white sand and lapping waves. With convenient parking and amenities, in addition to nearly no trash on the beach, Coopers beach was selected as America's Best Beach in a survey released on May 28. Top 10 Beaches is produced annually by coastal expert Stephen P. Leatherman, also known as 'Dr. Beach,' director of Florida International University's Laboratory for Coastal Research. Kathy Willens/AP
Siesta Beach (Sarasota, Fla.): Siesta Beach is seen in this photo provided by the Sarasota Convention and Visitors Bureau. The beach is making its appearance on the Top 10 Beaches list for the second year in a row. Glen Hastings/Sarasota Convention and Visitors Bureau/AP/FILE
Coronado Beach (San Diego, Calif.): Coronado Beach comes in third in 2010's Top 10 Beaches. Coronado Beach is seen here at sunset in this photo provided by the San Diego Convention and Visitor's Bureau. AP/FILE
Cape Hatteras (Outer Banks, N.C.): A couple watches from the sand dunes as the nation's tallest lighthouse, Cape Hatteras, is lit up in November 1999, in Buxton, N.C. Cape Hatteras came in fourth in the Top 10 Beaches list for 2010. Todd Sumlin/The Charlotte Observer/AP/FILE
Main Beach (East Hampton, N.Y.): Main Beach appears on the Top 10 Beaches list for another year, having made an appearance there in 2009. Here, Main Beach is seen in January 2004. KKM Photo/AP/FILE
Kahanamoku Beach (Waikiki, Oahu, Hawaii): This undated photo provided by Hilton Hawaiian Village Beach Resort & Spa shows Duke Kahanamoku Beach in Waikiki, Hawaii. 'Dr. Beach' placed Kahanamoku Beach at sixth place on the Top 10 Beaches list. Hilton Hawaiian Village Beach Resort & Spa/AP
Coast Guard Beach (Cape Cod, Mass.): Coast Guard Beach is on the Top 10 Beaches list from 'Dr. Beach' for 2010. It also appeared on 2009's list. Margo Tabb/Cape Cod Chamber of Commerce/AP/FILE
Beachwalker Park (Kiawah Island, S.C.): Beachwalker Park is eighth on the list of Top 10 Beaches produced annually by coastal expert Stephen P. Leatherman, also known as 'Dr. Beach,' director of Florida International University's Laboratory for Coastal Research. Charleston Area Convention & Visitors Bureau/AP/FILE
Hamoa Beach (Maui, Hawaii): In this photo provided by the Maui Visitors Bureau, Hamoa Beach, ninth on the Top 10 Beaches list, is shown in Maui, Hawaii. Ron Dahlquist Photography/Maui Visitors Bureau/AP/FILE
Cape Florida State Park (Key Biscayne, Fla.): The Cape Florida lighthouse is seen at Bill Baggs Cape Florida State Park, in Key Biscayne, Fla., in May 2009. Cape Florida State Park came in tenth on 'Dr. Beach's' Top 10 Beaches list for 2010. Wilfredo Lee/AP/FILE
The airstrikes have targeted at least nine of Yemen's 21 provinces and have prevented the Houthis from reaching Aden, the former capital of the once-independent south.
ByAhmed Al-Haj, Associated Press
Saudi-led naval forces imposed a blockade on Yemen's ports as coalition airstrikes on Monday repelled an advance on the southern port city of Aden by Shiite rebels and forces loyal to a former president.