Buck Island Reef National Monument

Buck Island Reef National Monument
Image credit: picture by NOAA Photo Library licenced under Attribution License.

Buck Island Reef National Monument is located off the northeast coast of St. Croix, one of the U.S. Virgin Islands. This small, uninhabited island is renowned for its exceptional marine ecosystems and is a popular destination for snorkelers, divers, and nature enthusiasts.

Established in 1961, the Buck Island Reef National Monument encompasses approximately 19,000 acres, with two-thirds of it submerged beneath the crystal-clear waters of the Caribbean Sea. The centerpiece of the monument is the famous Buck Island Reef, a barrier coral reef system that stretches for nearly four miles, making it the third longest barrier coral reef in the world.

The island has a rich historical background. Evidence suggests that Buck Island was inhabited by the Taino people, the indigenous inhabitants of the Caribbean, from as early as 1000 BC. During the colonial era, it served as a plantation and even as a popular hideaway for pirates.

Today, Buck Island offers visitors the opportunity to explore its stunning underwater world, teeming with vibrant coral reefs, colorful fish, and other marine life. One of the most iconic attractions at the island is the marked underwater trail known as the "Underwater Snorkeling Trail." It provides snorkelers with a unique opportunity to follow an underwater path marked with plaques, showcasing the island's diverse coral and marine species.

Snorkeling and scuba diving are the main activities that draw people to Buck Island. The pristine conditions of the water allow for excellent visibility, making it an ideal spot for underwater exploration. Guided tours and boat trips are available for visitors, providing them with access to the best snorkeling and diving spots around the island.

Besides its natural attractions, Buck Island Reef National Monument offers a beautiful sandy beach perfect for sunbathing and picnicking. Additionally, the island is home to a variety of bird species, making it a popular spot for birdwatching.

Close to Buck Island, on the coast of St. Croix, lies the charming town of Christiansted, known for its well-preserved colonial architecture. Visitors can explore the historical sites, dine in waterfront restaurants, and enjoy local shopping experiences.

In summary, Buck Island Reef National Monument is a remarkable marine haven situated in the U.S. Virgin Islands. With its stunning coral reefs, underwater trails, and diverse marine life, it offers an unparalleled experience for snorkelers and divers. Alongside its natural wonders, visitors can also enjoy the nearby attractions and history of Christiansted.

Location

Buck Island Reef National Monument is located in the beautiful Caribbean Sea, just off the northeastern coast of the United States Virgin Islands. Situated about 1.5 miles northeast of the island of St. Croix, this tropical paradise covers an area of approximately 19,000 acres. The monument features a magnificent barrier reef system that stretches over 4,554 acres, making it one of the most pristine and vibrant coral reef ecosystems in the Caribbean. Surrounding the island are crystal-clear turquoise waters with stunning visibility, allowing visitors to marvel at the diverse marine life that calls this reef home. With its ideal geographical location, Buck Island Reef National Monument offers an unparalleled experience for snorkelers, divers, and nature enthusiasts.

Address & Contact

2100 Church St. #100
Christiansted, St. Croix, VI 00820
Driving Directions
Phone: (340) 773.1460
Web: Link

Weather & Seasonality

The best time to visit Buck Island Reef National Monument would be during the months of January, February, or December. During these months, the average maximum temperatures range from 84°F to 85°F, while the average minimum temperatures range from 71°F to 73°F. The average monthly precipitation during this time is around 2.8 inches, which is relatively lower compared to other months. These months provide pleasant weather for outdoor activities, making them ideal for a visit.

Things to do and learn in Buck Island Reef National Monument

Activities

Some of the activities you can do in Buck Island Reef National Monument are: Wildlife Watching Birdwatching Hiking Boating Paddling Kayaking Swimming Sailing SCUBA Diving Snorkeling Saltwater Swimming

Topics

Learn about these topics at Buck Island Reef National Monument: Animals Birds Geology Archeology Fish Tortoises and Turtles Trails Water Trails Colonization and Settlement Maritime Oceans Coral Reefs The Tropics

Amenities

Visitor Centers

Buck Island Reef National Monument

There is no visitor center at Buck Island. Please visit the bookstore or fee booth at Christiansted National Historic Site. The bookstore is located at the historic Scale House, at the water's edge. The fee booth is located just inside the gate and to the right in Fort Christiansvaern.

Campsites within or near Buck Island Reef National Monument

This park doesn't have any campsites within its boundaries (or we haven't found them yet)).

News and Alerts

Date issued Details
2026-04-13Notice of Update to Superintendent's Compendium for Christiansted, Buck Island Reef and Salt River Bay
Notice of Update to Superintendent's Compendium for Christiansted, Buck Island Reef and Salt River Bay More
2025-08-18National Parks of St. Croix Reopen Following Hurricane Erin
National Parks of St. Croix Reopen Following Hurricane Erin More
2025-08-15National Parks of St. Croix to Close Ahead of Hurricane Erin
National Parks of St. Croix to Close Ahead of Hurricane Erin More
2024-08-12Buck Island Reef to Close Ahead of Tropical Storm Ernesto
For the safety of our guests and to protect park resources, Buck Island Reef is closed due to Tropical Storm Ernesto. More
2024-08-12National Parks of St. Croix to Close Ahead of Tropical Storm Ernesto
For the safety of our guests and to protect park resources, all National Parks on St. Croix in the US Virgin Islands are closed ahead of Tropical Storm Ernesto. More
2023-08-24National Park Service Extends Public Comment Period on Proposed Anchoring Permit Fee
The National Park Service (NPS) is extending the public comment period by two weeks for the proposed Buck Island Reef National Monument anchoring permit fee. The public comment period will now close September 6, 2023. More