Sangalaki Island in the Derawan Islands, Berau Regency, East Kalimantan, is an importanthabitat for the conservation of green turtles (Chelonia mydas) and hawksbill turtles(Eretmochelys imbricata). A unique phenomenon occurring is the increase in the numberof hatchling births in 2024 compared to previous years, but facing challenges of sex ratioimbalance due to rising sand temperature on the beach. This Community PartnershipProgram (PKM) aims to develop an ecotourism-based conservation model that involveslocal communities in turtle conservation efforts. The method used is a participatoryapproach involving the Natural Resource Conservation Agency (BKSDA) EastKalimantan, local communities, and tourists. Research results show that more than 3,700turtles nest annually on this 280-hectare island. The novelty of this program is theimplementation of egg relocation technology to artificial nests with optimum temperaturecontrol to maintain the sex ratio balance of hatchlings. The PKM program successfullyincreased community awareness about turtle conservation and created alternative incomesources through ecotourism
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