Ko Chang's income derives largely from tourism, but some traditional livelihoods still exist. Many of Ko Chang's villages rely on fishing, with Ban Salak Phet () being the largest and oldest community on Ko Chang, in a sheltered location in the south of the island. Other fishing villages include Bang Bao (), at Bang Bao Beach, which consists of houses on stilts built into the sea, and Ban Khlong Son, which also partly relies on rubber plantations. Ban Dan Mai and Ban Khlong Non Si also have coconut plantations, and orchards of lychee trees. The variety of lychee grown,
Silaman 200 years, is believed to be found only on Ko Chang. The first foreign backpackers started arriving on Ko Chang in the mid-1970s, using local fishing boats, when the island was still undeveloped. In 2019 tourism is the island's biggest earner. In 1982, Ko Chang along with the surrounding area became part of the protected Mu Ko Chang National Park, with approximately 85 percent of the island, together with nearby coral reefs, falling within the park. In 2020, an American tourist was arrested for posting negative feedback about his experience at a hotel in Ko Chang. While the tourist was released from prison after apologizing,
TripAdvisor, for the first time ever, placed a warning to prospective customers on the hotel's TripAdvisor page, regarding the incident. ==Gallery==