[3] The municipality is being considered[citation needed] to be listed in the tentative list for UNESCO World Heritage Site inscription due to its architectural marvels, notably its baroque church, its preserved ancestral houses, and the Limestone tombs of Kamhantik, a highly-significant Tagalog archaeological site and dambana, in the Buenavista Protected Landscape.

Kamhantik Archaeological Site, led by Dr. Eusebio Z. Dizon from the National Museum of the Philippines, revealed that Mulanay was inhabited by an organized Austronesian-speaking community from 500 to 1300 AD, descended from Austronesians who migrated from Taiwan.

[5][6] The evangelization of Mulanay by the Franciscan Missionaries was in 1600, while its civil foundation as a municipality was effected in 1745 through the approval of the King of Spain.

The people returned to the town site, however, few barangay heads disagreed and left for Bantuin, Marinduque and Mindoro.

Mulanay is situated on the Bondoc Peninsula; its geographical coordinates are 13° 31′ 20″ North, 122° 24′ 15″ East, and its original name was Malunay.

Poverty incidence of Mulanay Source: Philippine Statistics Authority[13][14][15][16][17][18][19][20] The municipality is an agricultural town where farm crops like coconut, garlic, bananas, rice, corn, peanuts, mongo, ginger, squash, and other vegetables are abundantly harvested.