Largest Marine Protected Areas

89%
of global marine protected area
is in the 100 largest marine protected areas
36%
of the 100 largest marine protected areas
is in implemented fully / highly protected areas
11%
of global marine protected area
is in over 18,000 smaller marine protected areas

This list shows the largest MPAs by overall protection status based on MPA Guide assessments. The MPA Guide provides a scientific framework for categorizing MPAs using consistent criteria based on establishment stage and protection levels that reflect the conservation benefits they provide. Learn more.

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1
Ross Sea Region
Marine Protected Area (CCAMLR within the High Seas
Implemented marine protected area
1,931,766 km2 in implemented fully / highly protected area (95% of area)
18%
of global implemented fully / highly protected area
2
Papahānaumokuākea
Marine National Monument within United States
Designated & partially implemented marine protected area
1,508,721 km2 in implemented fully / highly protected area (100% of area)
14%
of global implemented fully / highly protected area
3
Pacific Remote Islands
Marine National Monument within United States Minor Outlying Islands
Designated & partially implemented marine protected area
1,265,728 km2 in implemented fully / highly protected area (64% of area)
12%
of global implemented fully / highly protected area
4
Pitcairn Islands
Marine Protected Area within Pitcairn
Implemented marine protected area
836,092 km2 in implemented fully / highly protected area (100% of area)
8%
of global implemented fully / highly protected area
5
Tristan da Cunha
Exclusive Economic Zone within Saint Helena, Ascension and Tristan da Cunha
Implemented marine protected area
698,369 km2 in implemented fully / highly protected area (92% of area)
6.6%
of global implemented fully / highly protected area
6
Palau
National Marine Sanctuary within Palau
Designated & partially implemented marine protected area
477,148 km2 in implemented fully / highly protected area (80% of area)
4.5%
of global implemented fully / highly protected area
7
Cocos (Keeling) Island
Marine Park within Cocos Islands
Implemented marine protected area
465,845 km2 in implemented fully / highly protected area (100% of area)
4.4%
of global implemented fully / highly protected area
8
Macquarie Island
Marine Park within Australia
Implemented marine protected area
445,315 km2 in implemented fully / highly protected area (94% of area)
4.2%
of global implemented fully / highly protected area
9
Ascension Exclusive Economic Zone Implemented marine protected area
443,571 km2 in implemented fully / highly protected area (99% of area)
4.2%
of global implemented fully / highly protected area
10
South Georgia and South Sandwich Islands Implemented marine protected area
307,487 km2 in implemented fully / highly protected area (25% of area)
2.9%
of global implemented fully / highly protected area
11
Christmas Island
Marine Park within Christmas Island
Implemented marine protected area
273,186 km2 in implemented fully / highly protected area (99% of area)
2.6%
of global implemented fully / highly protected area
12
Marianas Trench
Marine National Monument, overlaps with Guam and Northern Mariana Islands
Designated & partially implemented marine protected area
204,685 km2 in implemented fully / highly protected area (83% of area)
1.9%
of global implemented fully / highly protected area
13
Revillagigedo
National Park (Parque Nacional) within Mexico
Implemented marine protected area
148,644 km2 in implemented fully / highly protected area (100% of area)
1.4%
of global implemented fully / highly protected area
14
Galápagos
Marine Reserve (Reserva Marina) within Ecuador
Implemented marine protected area
138,665 km2 in implemented fully / highly protected area (100% of area)
1.3%
of global implemented fully / highly protected area
15
Natural Park of the Coral Sea
Natural Park (Parc Naturel), overlaps with New Caledonia and Vanuatu
Designated & partially implemented marine protected area
135,916 km2 in implemented fully / highly protected area (11% of area)
1.3%
of global implemented fully / highly protected area
16
Niue Moana Mahu
Marine Protected Area (Matakavi puipui mo e leveki) within Niue
Implemented marine protected area
126,974 km2 in implemented fully / highly protected area (100% of area)
1.2%
of global implemented fully / highly protected area
17
Great Barrier Reef
Marine Park within Australia
Implemented marine protected area
124,911 km2 in implemented fully / highly protected area (36% of area)
1.2%
of global implemented fully / highly protected area
18
Terres Australes Françaises
National Nature Reserve (Réserve Naturelle Nationale) within French Southern Territories
Designated & partially implemented marine protected area
120,162 km2 in implemented fully / highly protected area (7% of area)
1.1%
of global implemented fully / highly protected area
19
South Orkney Islands Southern Shelf Marine Protected Area
Marine Protected Area (CCAMLR) within the High Seas
Implemented marine protected area
94,717 km2 in implemented fully / highly protected area (100% of area)
0.9%
of global implemented fully / highly protected area
20
Heard Island and McDonald Islands - Sanctuary Zone
Marine Reserve within Heard and McDonald Islands
Implemented marine protected area
70,589 km2 in implemented fully / highly protected area (100% of area)
0.7%
of global implemented fully / highly protected area
21
Cordillera de Coiba
Managed Resources Area (Área de Recursos Manejados) within Panama
Implemented marine protected area
67,821 km2 in implemented fully / highly protected area (100% of area)
0.6%
of global implemented fully / highly protected area
22
Monumento Natural Das Ilhas de Trindade, Martim Vaz e Do Monte Columbia
Natural Monument (Monumento Natural) within Brazil
Implemented marine protected area
67,698 km2 in implemented fully / highly protected area (100% of area)
0.6%
of global implemented fully / highly protected area
23
Russkaya Arktika
National Park (Russkay Arktik) within Russia
Implemented marine protected area
64,978 km2 in implemented fully / highly protected area (100% of area)
0.6%
of global implemented fully / highly protected area
24
Freycinet
Marine Park within Australia
Implemented marine protected area
56,792 km2 in implemented fully / highly protected area (98% of area)
0.5%
of global implemented fully / highly protected area
25
South-west Corner
Marine Park within Australia
Implemented marine protected area
54,836 km2 in implemented fully / highly protected area (20% of area)
0.5%
of global implemented fully / highly protected area
26
Monumento Natural Do Arquipélago De São Pedro E São Paulo
Natural Monument (Monumento Natural) within Brazil
Implemented marine protected area
47,200 km2 in implemented fully / highly protected area (100% of area)
0.4%
of global implemented fully / highly protected area
27
Norfolk
Marine Park within Norfolk Island
Implemented marine protected area
41,661 km2 in implemented fully / highly protected area (22% of area)
0.4%
of global implemented fully / highly protected area
28
Argo-Rowley Terrace
Marine Park within Australia
Implemented marine protected area
36,050 km2 in implemented fully / highly protected area (25% of area)
0.3%
of global implemented fully / highly protected area
29
American Samoa
National Marine Sanctuary within American Samoa
Implemented marine protected area
34,803 km2 in implemented fully / highly protected area (99% of area)
0.3%
of global implemented fully / highly protected area
30
Reserva Marina Hermandad
Marine Reserve (Reserva Marina) within Ecuador
Implemented marine protected area
30,057 km2 in implemented fully / highly protected area (50% of area)
0.3%
of global implemented fully / highly protected area
31
Prince Edward Island
Marine Protected Area within South Africa
Designated & partially implemented marine protected area
26,200 km2 in implemented fully / highly protected area (14% of area)
0.2%
of global implemented fully / highly protected area
32
Flinders
Marine Park within Australia
Implemented marine protected area
25,815 km2 in implemented fully / highly protected area (95% of area)
0.2%
of global implemented fully / highly protected area
33
Western Eyre
Marine Park within Australia
Designated & partially implemented marine protected area
17,437 km2 in implemented fully / highly protected area (30% of area)
0.2%
of global implemented fully / highly protected area
34
Lord Howe
Marine Park within Australia
Implemented marine protected area
15,580 km2 in implemented fully / highly protected area (14% of area)
0.1%
of global implemented fully / highly protected area
35
Great Barrier Reef Coast
Marine Park within Australia
Implemented marine protected area
15,050 km2 in implemented fully / highly protected area (25% of area)
0.1%
of global implemented fully / highly protected area
36
Murray
Marine Park within Australia
Implemented marine protected area
12,748 km2 in implemented fully / highly protected area (49% of area)
0.1%
of global implemented fully / highly protected area
37
Northeast Canyons and Seamounts
Marine National Monument within United States
Implemented marine protected area
12,724 km2 in implemented fully / highly protected area (100% of area)
0.1%
of global implemented fully / highly protected area
38
Malpelo
Fauna and Flora Sanctuary (Santuario de Fauna y Flora) within Colombia
Designated & partially implemented marine protected area
9,578 km2 in implemented fully / highly protected area (36% of area)
0.1%
of global implemented fully / highly protected area
39
Gascoyne
Marine Park within Australia
Implemented marine protected area
9,132 km2 in implemented fully / highly protected area (11% of area)
0.1%
of global implemented fully / highly protected area
40
Central Eastern
Marine Park within Australia
Implemented marine protected area
8,110 km2 in implemented fully / highly protected area (12% of area)
0.1%
of global implemented fully / highly protected area
41
Kermadec Islands
Marine Reserve within New Zealand
Implemented marine protected area
7,550 km2 in implemented fully / highly protected area (100% of area)
0.1%
of global implemented fully / highly protected area
42
SGaan Kinghlas-Bowie Seamount
Marine Protected Area within Canada
Implemented marine protected area
6,103 km2 in implemented fully / highly protected area (100% of area)
0.1%
of global implemented fully / highly protected area
43
Archipel des Glorieuses [Reserve Zones]
National Nature Reserve (Réserve naturelle nationale), overlaps with French Southern Territories, Madagascar, Mayotte
Implemented marine protected area
5,627 km2 in implemented fully / highly protected area (100% of area)
0.1%
of global implemented fully / highly protected area
44
KKPD KABUPATEN LINGGA
Locally Managed Marine Area (Kawasan Konservasi Perairan Daerah) within Indonesia
Implemented marine protected area
3,508 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
45
Steller Sea Lion
Rookery Buffer Area within United States
Implemented marine protected area
3,345 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
46
St Anns Bank
Marine Protected Area (Zone De Protection Marine) within Canada
Implemented marine protected area
3,310 km2 in implemented fully / highly protected area (76% of area)
< 0.1%
of global implemented fully / highly protected area
47
Ilhas Selvagens
Natural Reserve (Reserva Natural) within Portugal
Implemented marine protected area
2,687 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
48
Aldabra Atoll
Special Reserve within Seychelles
Implemented marine protected area
2,417 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
49
Isla del Coco
National Park (Parque Nacional) within Costa Rica
Designated & partially implemented marine protected area
2,011 km2 in implemented fully / highly protected area (4% of area)
< 0.1%
of global implemented fully / highly protected area
50
Área Marina Protegida de la Reserva de Biosfera Seaflower
Integrated Management National Districts (Distritos Nacionales de Manejo Integrado) within Colombia
Implemented marine protected area
1,936 km2 in implemented fully / highly protected area (3% of area)
< 0.1%
of global implemented fully / highly protected area
51
Jardines de la Reina
National Park (Parque Nacional) within Cuba
Implemented marine protected area
1,903 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
52
Isla de Mona
Nature Reserve (Reserva Natural) within Puerto Rico
Implemented marine protected area
1,505 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
53
Hecate Strait and Queen Charlotte Sound Glass Sponge Reefs Marine Protected Areas
(Marine Protected Area) within Canada
Implemented marine protected area
1,502 km2 in implemented fully / highly protected area (62% of area)
< 0.1%
of global implemented fully / highly protected area
54
Navassa Island
National Wildlife Refuge, overlaps with Haiti, Jamaica, United States Minor Outlying Islands
Implemented marine protected area
1,468 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
55
Gwaii Haanas
National Marine Conservation Area Reserve & Haida Heritage Site within Canada
Implemented marine protected area
1,404 km2 in implemented fully / highly protected area (41% of area)
< 0.1%
of global implemented fully / highly protected area
56
Misool
Private Marine Reserve within Indonesia
Implemented marine protected area
1,098 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
57
Perairan Kepulauan Fam (Raja Ampat
within Indonesia
Implemented marine protected area
999 km2 in implemented fully / highly protected area (28% of area)
< 0.1%
of global implemented fully / highly protected area
58
Tubbataha Reefs
Natural Park within Philippines
Implemented marine protected area
968 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
59
Parque Nacional Marinho Dos Abrolhos
Park (Parque) within Brazil
Implemented marine protected area
878 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
60
Southeast Misool (Raja Ampat
Locally Managed Marine Area (Kawasan Konservasi Perairan Daerah) within Indonesia
Implemented marine protected area
808 km2 in implemented fully / highly protected area (24% of area)
< 0.1%
of global implemented fully / highly protected area
61
Channel Islands
MPA Network within United States
Implemented marine protected area
797 km2 in implemented fully / highly protected area (21% of area)
< 0.1%
of global implemented fully / highly protected area
62
Refúgio De Vida Silvestre Do Arquipélago De Alcatrazes
Wildlife Refuge (Refugio de Vida Silvestre) within Brazil
Implemented marine protected area
673 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
63
Walrus Islands
State Game Sanctuary within United States
Implemented marine protected area
590 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
64
Exuma Cays Land and Sea Park
National Park within Bahamas
Implemented marine protected area
577 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
65
Selat Dampier (Raja Ampat
within Indonesia
Implemented marine protected area
527 km2 in implemented fully / highly protected area (15% of area)
< 0.1%
of global implemented fully / highly protected area
66
Florida Keys
National Marine Sanctuary within United States
Designated & partially implemented marine protected area
488 km2 in implemented fully / highly protected area (4% of area)
< 0.1%
of global implemented fully / highly protected area
67
The Gully
Marine Protected Area (Zone De Protection Marine) within Canada
Implemented marine protected area
475 km2 in implemented fully / highly protected area (20% of area)
< 0.1%
of global implemented fully / highly protected area
68
Oceanic Shoals
Marine Park within Australia
Implemented marine protected area
406 km2 in implemented fully / highly protected area (1% of area)
< 0.1%
of global implemented fully / highly protected area
69
Bering Land Bridge National Park and Preserve
National Park and Preserve within United States
Implemented marine protected area
365 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
70
Cabezas de San Juan
Nature Reserve (Reserva Natural) within Puerto Rico
Implemented marine protected area
305 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
71
Apo Reef Natural Park
within Philippines
Implemented marine protected area
274 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
72
NISOS GYAROS KAI THALASSIA ZONI
Sites of Community Importance (Habitats Directive) (C) within Greece
Implemented marine protected area
242 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
73
Kaho'olawe
Island Reserve within United States
Implemented marine protected area
200 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
74
Zones A1 kai A6 periochis A Ethnikou Thalassiou Parkou Alonnisou Voreion Sporadon
Nature reserve zone in National Marine Park (Periochi prostasias tis fysis se thalassio parko) within Greece
Implemented marine protected area
156 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
75
Wilsons Promontory
Marine National Park within Australia
Implemented marine protected area
154 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
76
Arnavon Islands
Community Conserved Area within Solomon Islands
Implemented marine protected area
150 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
77
Teluk Mayalibit (Raja Ampat
within Indonesia
Implemented marine protected area
145 km2 in implemented fully / highly protected area (30% of area)
< 0.1%
of global implemented fully / highly protected area
78
Dry Tortugas
National Park within United States
Implemented marine protected area
119 km2 in implemented fully / highly protected area (45% of area)
< 0.1%
of global implemented fully / highly protected area
79
Kofiau and Boo Islands (Raja Ampat
Locally Managed Marine Area (Kawasan Konservasi Perairan Daerah) within Indonesia
Implemented marine protected area
119 km2 in implemented fully / highly protected area (9% of area)
< 0.1%
of global implemented fully / highly protected area
80
Ayau-Asia Island (Raja Ampat
within Indonesia
Implemented marine protected area
110 km2 in implemented fully / highly protected area (11% of area)
< 0.1%
of global implemented fully / highly protected area
81
Begg Rock (San Nicolas Island)
State Marine Reserve within United States
Implemented marine protected area
98 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
82
Caribe Mexicano
Biosphere Reserve (Reserva de la Biósfera) within Mexico
Implemented marine protected area
90 km2 in implemented fully / highly protected area (0% of area)
< 0.1%
of global implemented fully / highly protected area
83
Stewarts Point
State Marine Reserve within United States
Implemented marine protected area
62 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
84
Alaska Maritime
National Wildlife Refuge within United States
Designated & partially implemented marine protected area
59 km2 in implemented fully / highly protected area (2% of area)
< 0.1%
of global implemented fully / highly protected area
85
North Farallon Islands
State Marine Reserve within United States
Implemented marine protected area
47 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
86
Kisite-Mpunguti
Marine Protected Area within Kenya
Implemented marine protected area
38 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
87
Big Creek
State Marine Reserve within United States
Implemented marine protected area
37 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
88
Cape Perpetua
Marine Reserve within United States
Implemented marine protected area
36 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
89
Southeast Farallon Island
State Marine Conservation Area within United States
Implemented marine protected area
34 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
90
Bodega Head
State Marine Conservation Area within United States
Implemented marine protected area
32 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
91
Cape Falcon
Marine Reserve within United States
Implemented marine protected area
32 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
92
Point Reyes
State Marine Conservation Area within United States
Implemented marine protected area
32 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
93
Greyhound Rock
State Marine Conservation Area within United States
Implemented marine protected area
31 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
94
Montara
State Marine Reserve within United States
Implemented marine protected area
30 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
95
Año Nuevo
State Marine Conservation Area within United States
Implemented marine protected area
28 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
96
Point Sur
State Marine Conservation Area within United States
Implemented marine protected area
28 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
97
Piedras Blancas
State Marine Reserve within United States
Implemented marine protected area
26 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
98
Gitdisdzu Lugyeks
Marine Protected Area within Canada
Implemented marine protected area
26 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
99
Cascade Head
Marine Reserve within United States
Implemented marine protected area
25 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
100
Tupinambás
Ecological Station (Estação Ecológica) within Brazil
Implemented marine protected area
25 km2 in implemented fully / highly protected area (100% of area)
< 0.1%
of global implemented fully / highly protected area
Contact Uslast updated: 2024-06-07© 2024 Marine Conservation Institute