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A comprehensive index of natural reserves across the Ratak and Ralik island chains.

Protected Areas in the Marshall Islands: Geographic Atlas of Conservation Sites and Reserves

This geographic collection documents protected areas within the Marshall Islands, highlighting the diverse atoll ecosystems and marine habitats found across the North Pacific. These sites encompass remote lagoons, low lying islands, and historically significant marine sanctuaries. By mapping these locations, the atlas provides a clear view of the natural terrain and conservation landscape defining this sovereign archipelago.

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Explore conservation sites and protected natural areas across Pacific atolls.

Protected Area in Marshall Islands: Mapped Geography and Reserves

Each protected area in Marshall Islands represents a flexible fallback layer for remote atolls and lagoon ecosystems that fall outside standard normalized categories. Tracing these Pacific locations helps map remote marine sanctuaries across the Ratak and Ralik chains.

Protected area
Mapped parks12
Share of country parks92%
Largest mapped parkBokak Atoll129 km²
Oldest mapped parkNamdrik Atoll2,012
Parks in this designationExplore conservation sites and remote marine atolls spanning the island chains10 / 12
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Protected Area Index and Mapped Parks in the Marshall Islands

Browse a comprehensive record of protected areas in the Marshall Islands, featuring remote coral atolls and marine sanctuaries across the Ralik and Ratak chains. The filtered index provides structured geographic context for evaluating conservation boundaries and island habitats throughout the North Pacific.

Protected areaMarshall IslandsMarine

Majuro

Regional atoll atlas and protected lagoon geography.

Majuro serves as the primary administrative and geographic anchor within the Marshall Islands. This detailed mapping showcases the atoll's signature structure, characterized by 64 narrow islets enclosing a massive, sheltered 295 square kilometer lagoon. Delve into the specific landforms and regional marine geography that define this Pacific protected environment.

9.7 km²TropicalModerate accessWater-dominated
Protected areaMarshall IslandsMarine

Kwajalein Atoll

Pacific coral atoll structure and lagoon geography

Kwajalein Atoll represents a mature coral formation encompassing an immense lagoon within the Ralik Chain. The landscape consists of low-lying islets and interconnected reef structures that define the maritime geography of the Marshall Islands. This assessment provides a focus on the structural, mapped, and physical attributes that distinguish this protected site within the wider Pacific regional context.

16.4 km²TropicalHighly restrictedWater-dominated
Protected areaMarshall IslandsMarine

Namdrik Atoll

A remote Ramsar-recognized coral atoll and marine wetland.

Namdrik Atoll is a distinctive coral atoll within the Ralik Chain of the Marshall Islands, recognized for its exceptional mangrove forests and protected marine ecosystems. This area consists of two wooded islands enclosing a large lagoon without navigable passes, creating an isolated habitat for sea turtles and diverse reef life. Explore the geography of this small, ecologically significant protected land that represents the unique environmental character of the central Pacific.

2.8 km²2012TropicalRemote access
Protected areaMarshall IslandsMarine

Rongelap Atoll

Coral atoll terrain in the Pacific Ralik Chain

Located in the Ralik Chain of the Marshall Islands, Rongelap Atoll consists of 61 low-lying coral motus that enclose a lagoon covering 2,600 square kilometers. The atoll serves as a significant geographic study area, known for its distinct reef-built structure and its enduring role in Pacific history. This protected area continues to represent the ecological and cultural complexity of the Micronesian archipelago.

21 km²TropicalRemote accessWater-dominated
Protected areaMarshall IslandsMarine

Bokak Atoll

A remote coral atoll with a rare perched lagoon and pristine reef ecosystem

Bokak Atoll represents a primary example of an undisturbed central Pacific coral atoll, defined by its lack of introduced species and its striking perched lagoon. The landscape consists of low coral islets along a crescent reef, creating a specialized habitat for seabird colonies and stony coral reefs. This geographic overview examines the atoll's isolation and its status as a critical protected natural area within the wider Marshall Islands territory.

129 km²TropicalRemote accessWater-dominated
Protected areaMarshall IslandsMarine

Bikar Atoll

A pristine, uninhabited coral sanctuary and critical Pacific marine habitat.

Bikar Atoll is a remote, diamond-shaped coral ring located in the Ratak Chain of the Marshall Islands. Defined by its shallow lagoon, continuous reef structure, and arid islets, the atoll serves as a vital nesting site for seabirds and green turtles. This protected area remains one of the most ecologically undisturbed sites in the Pacific, offering rare insight into natural atoll morphology and island conservation.

0.5 km²2025TropicalRemote access
Protected areaMarshall IslandsMarine

Ailuk Atoll

Pacific atoll terrain, lagoon systems, and island geography

Study the geographic composition of Ailuk Atoll, featuring its classic ring of coral islets, deep-water reef passes, and vast central lagoon. This protected area offers insight into the subsidence-driven formation of Marshallese island chains and the enduring human reliance on traditional maritime navigation within a fragile Pacific ecosystem.

5.4 km²TropicalRemote accessWater-dominated
Protected areaMarshall IslandsMarine

Arno Atoll

Mapped geography and hydrological landscape context

Arno Atoll stands out as a unique geographic entity in the Ratak Chain with its triple lagoon configuration. Spanning 133 islands in the North Pacific, this protected area offers insight into atoll reef systems, low lying coral landscapes, and the environmental framework of the Marshall Islands.

13 km²TropicalWater-dominated
Protected areaMarshall Islands

Mili Atoll

Mapped coral atoll terrain in the Ratak Chain

Mili Atoll represents a complex protected landscape in the central Pacific, defined by its massive lagoon and distributed ring of 92 islets. Gain a deeper understanding of its physical geography, including tidal reef flats, low-lying coral formations, and the enduring historical artifacts that shape the contemporary environment of this significant Marshall Islands site.

14.9 km²TropicalRemote accessWater-dominated
Protected areaMarshall Islands

Ailinginae Atoll

Remote coral atoll landscape in the Marshall Islands

Uncover the geographic structure of Ailinginae Atoll, an uninhabited coral ring in the Marshall Islands characterized by its expansive internal lagoon and narrow island segments. This protected area offers significant insight into the terrain of low-lying Pacific atoll ecosystems and their role within the Ralik Chain geographic framework.

2.8 km²Water-dominated
See all parksSearch all Protected area parks and protected areas in Marshall Islands
More designation routesCompare adjacent conservation categories within the national conservation network.1

Other Park Designations and Protected Area Types in Marshall Islands

Browse alternative protected area types and reserve categories across Marshall Islands to understand the complete conservation framework. Comparing distinct designation pathways reveals how different administrative tiers protect local natural landscapes.

Mapping conservation landscapes across the Pacific archipelago.

Nature reserve

8%

This collection features nature reserves in the Marshall Islands, emphasizing the protection of marine and terrestrial habitats. Navigate through defined conservation areas that play a vital role in maintaining the ecological integrity of these low lying coral atoll environments.

Share of country parks8%
1Mapped parkMarshall Islands Nature Reserves
Marshall Islands Nature Reserves
MoriAtlas Explorer

Explore the Full Collection of National Parks in the Marshall Islands

Continue your geographic discovery by browsing the complete set of protected atolls and natural reserves in the Marshall Islands. MoriAtlas provides the structured data and map context needed to understand the distribution of these remote oceanic landscapes.