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32 Islands to explore in United States

United States

Third largest and third most populous country in the world. Size-wise, it is almost as large as the continent of Europe.

Alcatraz Island
Alcatraz IslandSan Francisco, CA 94133, USA

Developed with facilities for a lighthouse, a military fortification, a military prison, and a federal prison that seized operations in the 1960s. Today the small island is open for tours.

Anacapa Island
Anacapa IslandAnacapa Island, California 93001, USA

A small volcanic island composed of a series of narrow islets 6 mi long, oriented generally east–west and 5 mi (8 km) east of Santa Cruz Island. Anacapa is the smallest of the northern islands of the Channel Islands archipelago, and is within the Channel Islands National Park.

Angel Island Capital
Angel Island CapitalOne Embarcadero Ctr Suite 2150, San Francisco, CA 94111, USA

Angel Island is the largest natural island in the San Francisco Bay, offers some of the best views of the surrounding Bay Area. It has been used by humans for a variety of purposes, including seasonal hunting and gathering by indigenous peoples, water and timber supply for European ships, ranching by Mexicans, United States military installations, a United States Public Health Service Quarantine Station, and a U.S. Bureau of Immigration inspection and detention facility.

Bair Island
Bair IslandBair Island, Redwood City, CA, USA

Bair Island is a swampland spread over 3,000 acres in Redwood City. It is part of the larger Don Edwards San Francisco Bay National Wildlife Refuge. It is surrounded by the Steinberger slough to the northwest and Redwood Creek to the southeast. It is an important ecological wetland, which provides critical habitat for a variety of species, including the endangered California clapper rail and the Salt marsh harvest mouse, and is an important stop for birds on the Pacific Flyway.

Balboa Island
Balboa IslandBalboa Island, Newport Beach, CA, USA

Balboa Island was originally a sandbar that developer William S. Collins turned into an island between 1905 and 1913. It is accessible to the public via bridge, ferry and several public docks. It is home to local small businesses including restaurants, bakeries, fishing & tackle, and local crafts. The island also has a fire station and a post office. The community is surrounded by a paved concrete boardwalk open to pedestrian traffic, designated as a public walking trail by the city.

Boca Chita Key
Boca Chita KeyBoca Chita Key, Islandia, FL, USA

Boca Chita Key is the island north of the upper Florida Keys in Biscayne National Park, Miami-Dade County, There is a beautiful lighthouse located in this island and a campground with picnic tables and saltwater toilets. Freshwater and electricity are not available in this island.

Caladesi Island State Park
Caladesi Island State ParkCaladesi Island State Park, Florida, USA

A three-mile nature trail, a marina, picnic pavilions, bathhouses, a park concession stand, and a beach is what you will encounter in Caladesi Island State Park. The Caladesi Island beach was listed as the best beach in United States by Dr. Beach in 2008.

Charlotte Harbor Preserve State Park
Charlotte Harbor Preserve State Park12301 Burnt Store Rd, Punta Gorda, FL 33955, USA

Located on the coast of Charlotte Harbor, Charlotte Harbor Preserve State Park covers 46,000 acres (190 km2).

Coconut Island
Coconut IslandCoconut Island, Hilo, HI 96720, USA

This is a small island in Hilo Bay, just offshore from Lili'uokalani Park and Gardens, in Hilo, off the island of Hawaii. It is a small park, and is connected to the main island via a footbridge. The island includes a large grassy field, picnic areas, restroom facilities, and a few tiny sandy beaches.

Coronado Island
Coronado IslandCoronado Island, Coronado, CA 92118, USA

A resort city in San Diego. Coronado is consistently voted best beach in the U.S. by Dr. Beach. With gentle surf, sparkling wide-sand beaches, charming main street and great hotels, including the famous Hotel del Coronado, this island paradise is perfect for a family vacation or romantic getaway.

Don Pedro Island State Park
Don Pedro Island State Park8450 Placida Rd, Placida, FL 33946, USA

Don Pedro Island State Park is only accessible by boat and is open from 8:00 am till sundown year-round.

East Anacapa Island
East Anacapa IslandEast Anacapa Island, California 93001, USA

This is a small volcanic island located about 11 miles off the coast of Port Hueneme, California. It is the smallest of the northern islands of the Channel Islands archipelago, and is within the Channel Islands National Park.

Egmont Key National Wildlife Refuge
Egmont Key National Wildlife RefugeSt. Petersburg, FL 33715, USA

Located on Egmont Key, at the mouth of Tampa Bay, it can only be reached by boat or ferry. The Egmont Key Lighthouse and the ruins of Fort Dade, a Spanish–American War era fort, are located in the park. The entire 328 acres (133 ha) island is actually part of Egmont Key National Wildlife Refuge.

Gascoigne Bluff
Gascoigne BluffGascoigne Bluff, St Simons, GA 31522, USA

Gascoigne Bluff is a bluff next to the Frederica River on the western side of the island of St. Simons, Georgia which was a Native American campground, the site of a Franciscan monastery named San Buenaventura, and the site of the Province of Georgia's first naval base. This area was one of several St. Simons Island plantations owned by John Couper who lived at Cannon Point, St. Simons Island, and who donated his library of 20,000 volumes to the Library of Congress.

Gasparilla Island Water Association
Gasparilla Island Water Association5050 Linwood Rd, Placida, FL 33946, USA

Gasparilla Island gets its name from the legendary pirate captain José Gaspar ("Gasparilla" 1756–1821), who had his base on the island and purportedly hid his fabulous treasure there.

Honeymoon Island State Park
Honeymoon Island State Park1 Causeway Blvd, Dunedin, FL 34698, USA

The park is 385 acres (1.6 km2) in land area with 2,400 acres (10 km2) submerged and 4 miles (6 km) of beach. Consistently receiving more than one million visitors each year, it is the most-visited state park in Florida.

Hutchinson Island
Hutchinson IslandHutchinson Island, Florida, USA

Known for beautiful beaches, nature preserves and parks. The two islands are separated by the Fort Pierce Inlet and are known as North Hutchinson Island and South Hutchinson Island. North Hutchinson Island is divided into two counties - Indian River County and St. Lucie County.

Isle of Palms
Isle of PalmsIsle of Palms, SC, USA

Isle of Palms is a barrier island on the South Carolina coast. The city is included within the Charleston-North Charleston-Summerville metropolitan area and the Charleston-North Charleston Urbanized Area. It is an affluent community of both vacation homeowners and year-round residents, with large beachfront homes, resorts, and local restaurants. Beach volleyball is popular in the summer, and the "Windjammer" club hosts several tournaments throughout the year.

Jekyll Island State Park
Jekyll Island State Park100 James Rd, Jekyll Island, GA 31527, USA

Jekyll Island is located off the coast of the U.S. state of Georgia, in Glynn County. It is one of the Sea Islands and one of the Golden Isles of Georgia barrier islands. A popular tourist destination, the island has beaches frequented by vacationers. Guided tours of the Landmark Historic District are available. Bike trails walks along the beaches and sandbars, and Summer Waves, a water park, are among the active attractions.

Jungle Island
Jungle Island1111 Parrot Jungle Trail, Miami, FL 33132, USA

Jungle Island, formerly Parrot Jungle, is a relaunched eco-adventure park on Watson Island, Miami, Florida. The park features new pop-up waterslides, an outdoor wind tunnel flight experience, zip lines, escape rooms, a Nerf battle stadium and other attractions.

Map of Islands to explore in United States