Tahiti, Fiji's Laucala Island, Mauritius. [Photo provided to China Daily]

Their spending averaged around 120,000-140,000 yuan ($17,435-$20,340).

These destinations' popularity is in part because over half of them offer visa-free entry to Chinese, Guo explains.

Many host private resorts, often located on smaller isles near the main one.

Fiji has experienced the fastest growth in Chinese visitors through HHtravel, at about 70 percent. Tropical rainforests, white beaches and clear seas that make for spectacular snorkeling are major draws, as is the unique local culture.

Visitors can also enjoy crab races, beachside bonfires and dips in mud pools.