The Ritidian Unit is a vital component of the Guam National Wildlife Refuge, encompassing the northernmost point of the island of Guam. This protected area is managed for the conservation of native wildlife and their habitats, with a particular focus on several endangered species unique to the region.

The refuge plays a critical role in the preservation of Guam's native ecosystem, which has faced significant challenges from introduced species. It serves as a sanctuary for the island's remaining native forest birds and provides essential nesting grounds for the endangered hawksbill sea turtle and the threatened green sea turtle on its secluded beaches.

Beyond its ecological significance, the Ritidian Point area holds profound cultural and historical importance. The site contains ancient Chamorro village remains, including latte stone pillars, which are stone structures used as foundations for traditional houses. Archaeological evidence indicates human habitation at Ritidian dating back thousands of years, making it a site of continuous cultural heritage.

The landscape of the unit features a diverse mix of coastal and limestone forest ecosystems. The area includes limestone cliffs, a freshwater lens, and one of the last remaining relatively pristine beaches on Guam. This variety of habitats supports a range of native plant species and the fragile wildlife populations under the refuge's protection.

Public access to the Ritidian Unit is provided for educational and recreational purposes, allowing visitors to experience its natural beauty and learn about conservation efforts. Activities are typically focused on low-impact enjoyment of the environment, such as wildlife observation, hiking, and visiting the beach, with regulations in place to minimize human impact on sensitive areas.