184 Islands to Explore in United States

The Cumberland Island National Seashore is a stunning destination located along the coast of Georgia. It is a place rich in history, culture and beauty, offering breathtaking views of unique wildlife, sandy beaches and grand marshes. There are over 40 miles of trails winding through pristine maritime forests, meandering along wide stretches of tidal creeks and salt marsh wetlands that are home to an abundance of estuarine wildlife.

Daniel Island, nestled in Berkeley County, South Carolina, is a carefully planned and thriving island community that offers a unique blend of modern living, natural beauty, and a strong sense of community. This picturesque island has become a sought-after destination for residents and visitors looking for a tranquil yet vibrant place to call home.

Davidof Island is a remote and fascinating landmass situated in the Aleutian Islands, a volcanic archipelago extending across the Bering Sea and the North Pacific Ocean. Located in the Aleutians West Census Area of Alaska, Davidof Island is known for its unique geological features, rugged natural beauty, and its role as a habitat for various wildlife.

Deerfield Island Park is a beautiful, peaceful destination located in Broward County, Florida. The natural beauty and tranquility of the park make it an ideal place to relax and enjoy the outdoors. It features a variety of activities, from scenic hiking trails, to boardwalks with breathtaking views of the river and ocean, to fishing on the Intracoastal Waterway. The park also offers access to a number of exquisite bird islands for those interested in some wildlife watching.

The Delarof Islands are a group of islands located in the western Aleutian Islands, part of the Aleutians West Census Area of Alaska. This remote archipelago is known for its rugged natural beauty, unique geological features, and its significant role as a habitat for diverse wildlife.

Deowongo Island, also known as "Deowongo," is a captivating and historically significant island located on Otsego Lake in Otsego County, New York. The island's name is of Native American origin, meaning "place of pure and clear water," which perfectly describes its pristine surroundings.Situated on the eastern side of Otsego Lake, Deowongo Island is privately owned and not accessible to the general public.

Don Pedro Island is a brilliant shipwreck-diving haven and secluded beach escape. It’s home to two gorgeous beaches: North Beach and South Beach. All of this is nestled within a state preserve abundant with natural beauty and wildlife. Snorkelers love Don Pedro Island for its extensive variety of aquatic life, including sea turtles, barracudas, moray eels, snook, permit, spadefish and tarpon just to name a few. The waters are crystal clear and often feature visibility of up to 100ft!

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

Eagle Island is a unique place with beautiful beaches and lush marshlands. Its sandy beaches flank the Sapelo River, which also provides some of the best fishing in Georgia. As an island, it has protected forests that are home to diverse wildlife, including alligators. There's no shortage of activities on Eagle Island - visitors can explore the grounds by foot and bike, or take a boat tour around the island to spot even more wildlife in its untouched wilderness areas.

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.

Egg Island is a small, remote island located in the Aleutian Islands, a volcanic archipelago that stretches across the Bering Sea and the North Pacific Ocean. Situated in the Aleutians West Census Area of Alaska, Egg Island is known for its unique geological features, remarkable natural beauty, and its significance as a breeding ground for seabirds.

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.

Enders Island, located in Mystic, near New London, Connecticut, is a serene and picturesque island known for its spiritual retreat center, beautiful gardens, and scenic landscapes. This tranquil haven offers a unique combination of natural beauty, religious significance, and artistic inspiration.

Fire Island is a picturesque island located within the Aleutian Islands, a chain of volcanic islands that stretches across the waters of the Bering Sea and the North Pacific Ocean. Situated in the Aleutians West Census Area of Alaska, Fire Island is known for its natural beauty, unique geology, and the rich cultural history associated with the indigenous peoples who have called this region home for generations.

Floyds Island, is an undisturbed, secluded barrier island that has remained unchanged for decades. The island is home to a variety of wildlife including raccoons, sea turtles, and egrets. There are also various species of birds such as pelicans, ibises, and herons. Floyds Island offers several activities for visitors; fishing in the marshland or off the beach is popular, while nature enthusiasts can explore the rich marshlands or take a leisurely hike along its sandy shoreline.

Fripp Island, located off the coast of Beaufort County in South Carolina, is a serene and idyllic barrier island that beckons travelers with its unspoiled natural beauty, pristine beaches, and abundant wildlife. Known for its relaxed atmosphere and upscale amenities, Fripp Island offers a tranquil escape from the hustle and bustle of everyday life.

Gabaret Island, situated right on the banks of Lake Springfield and popular among anglers and boaters alike. The island, made up of 46 non-contiguous acres, mostly covered by wetlands and marshlands that invite visitors to explore and observe birds and other wildlife. In addition to the lake access, there are a variety of trails that offer excellent opportunities for walking or biking around the island. A large vernal pool, which is home to turtles and frogs during certain times of their year.

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 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.

Gibraltar Island is a small, picturesque island located in Lake Erie, near Ottawa County, Ohio. This island is notable for its natural beauty, historical significance, and its association with The Ohio State University's Stone Laboratory, which is dedicated to research and education in the fields of freshwater biology and ecology.