International ParksFind Your Park
  • Home
  • Explore
  • Map
  • Ratings
  • Review
  • Wiki
  • Suggestions
  • About
Log In
  1. Home
  2. United States Parks
  3. Sullivan Island

Quick Actions

Park SummaryUnited States WikiWiki HomeWrite Review

More Parks in United States

Sugarite CanyonSugarloaf RidgeSummersville LakeSummit LakeSummit Lake

Platform Stats

11,612Total Parks
149Countries
Support Us

Sullivan Island

United States, Alaska

Sullivan Island

LocationUnited States, Alaska
RegionAlaska
TypeState Marine Park
Coordinates58.8000°, -135.3000°
Established1983
Area11.01
Nearest CityHaines (20 mi)
Major CityJuneau (47 mi)
See all parks in United States →

About Sullivan Island

Sullivan Island State Marine Park protects a forested island near Juneau in the northern reaches of Southeast Alaska. The marine park provides accessible island camping and anchorage within day trip distance of Alaska's capital. The park offers wilderness experiences convenient to Juneau's population.

Wildlife Ecosystems

The island supports typical Southeast Alaska wildlife including Sitka black-tailed deer and various smaller mammals. Harbor seals and sea otters frequent surrounding waters while eagles nest in tall trees. Salmon pass through adjacent waters during migrations.

Flora Ecosystems

Temperate rainforest covers the island, with Sitka spruce and western hemlock forming the canopy. The understory features devil's club, salmonberry, and ferns. Intertidal zones display marine life revealed at low tide.

Geology

Sullivan Island consists of metamorphic rocks typical of the Juneau area. Glacial erosion shaped the island during the ice ages. The complex waterways around Juneau reflect the region's geological history.

Climate And Weather

Maritime climate brings mild temperatures and substantial precipitation. Annual rainfall in the Juneau area exceeds 60 inches. Rain is possible any day, though clear periods reveal spectacular mountain views.

Human History

Tlingit peoples have inhabited the Juneau area for thousands of years. Islands provided resources and travel routes throughout the archipelago. Juneau developed as a mining town and became Alaska's capital.

Park History

Sullivan Island State Marine Park was established to provide accessible island recreation near Alaska's capital. The park offers convenient wilderness camping and anchorage for Juneau residents and visitors.

Major Trails And Attractions

Island camping and exploration are primary activities. The accessible location makes this suitable for families and less experienced paddlers. Wildlife viewing includes eagles and marine mammals. The park provides introduction to Southeast Alaska's island environment.

Visitor Facilities And Travel

The marine park provides primitive camping and anchorage. Access is by boat or kayak from Juneau. Kayak rentals and water taxis operate from the capital. The short distance makes day trips practical.

Conservation And Sustainability

The marine park protects island environments close to population. Education helps visitors understand low-impact practices. The park demonstrates sustainable recreation near urban areas.

Visitor Reviews

International Parks
January 23, 2026

No photos available yet

Planning Your Visit

Location

View on Google Maps

Helpful Links

Frequently Asked Questions

Where is Sullivan Island located?

Sullivan Island is located in Alaska, United States at coordinates 58.8, -135.3.

How do I get to Sullivan Island?

To get to Sullivan Island, the nearest city is Haines (20 mi), and the nearest major city is Juneau (47 mi).

How large is Sullivan Island?

Sullivan Island covers approximately 11.01 square kilometers (4 square miles).

When was Sullivan Island established?

Sullivan Island was established in 1983.

More Parks in Alaska

Denali, Alaska
DenaliAlaska72.7
ChugachAlaska68.4
DenaliAlaska65.8
ChugachAlaska65.4
Chilkat Bald EagleAlaska65.1
Admiralty IslandAlaska65.0

Top Rated in United States

DinosaurColorado, Utah74.6
Big Bend, Texas
Big BendTexas73.8
Devils TowerWyoming73.1
Denali, Alaska
DenaliAlaska72.7
Caprock CanyonsTexas72.4
Valles CalderaNew Mexico72.1