Hawaii's Oahu Island. [Photo provided to China Daily]

Lovers particularly enjoy helicopter rides over the heart-shaped Tupai Island.

Villas are popular with well-heeled travelers in The Brando－an escape enveloped by clear waters and white beaches.

Activities in Brando include snorkeling among coral reefs, diving, paddle boating, yoga and canoeing. The resort also offers Polynesian arts and culture classes like dance, handicraft and ukulele lessons.

Newlyweds often participate in local song-and-dance ceremonies to proclaim their vows of love before a mountain that's traditionally considered sacred.

Likewise, Spain's Canary Islands have experienced a 40 percent growth in HHtravel bookings.

"Most are family travelers," Guo says.