The Biodiversity Conservation in the Sierra Madre Oriental and the Gulf of Mexico (Sierra y Mar) strengthened the capacities of the National Commission of Protected Areas in 14 protected areas (PAs). During 2021, Sierra y Mar financed the repair and equipping of two boats, the acquisition of vehicles to transport fire-fighting community brigades and the development of signage for 12 PAs with the purpose of strengthening surveillance actions, biological monitoring, environmental education, and attention to visitors.