Wilderness Cumberland Island, located off the coast of Georgia (not Florida), is a stunning and remote destination for nature enthusiasts and history buffs alike. Stretching across 17.5 miles, this barrier island showcases untouched maritime forests, pristine beaches, and diverse wildlife. Here is a summary of reasons to visit, key points of interest, interesting facts, and the best time to visit:

Reasons to Visit:
1. Natural Beauty: Cumberland Island offers breathtaking landscapes, including pristine beaches, vast salt marshes, and dense forests, providing ample opportunities for outdoor activities such as hiking, birdwatching, and beachcombing.
2. Wildlife Viewing: The island is home to a wide range of wildlife, including wild horses, deer, armadillos, alligators, and over 300 species of birds. Visitors have the chance to observe these animals in their natural habitats.
3. Historical Significance: Cumberland Island boasts a rich history, from Native American settlements to the ruins of several estates, such as the grand Dungeness Mansion, which was once owned by the Carnegie family.
4. Tranquility and Seclusion: With limited access (only 300 visitors per day), Cumberland Island offers a peaceful and secluded escape from the hustle and bustle of daily life.

Points of Interest:
1. Dungeness Ruins: Explore the remnants of the Dungeness Mansion, which was burned down in 1959 but still stands as a testament to the island's past.
2. Sea Camp Dock: This dock is the main entry point to the island and provides access to stunning beaches and trails, making it an excellent starting point for exploration.
3. Plum Orchard Mansion: Take a guided tour of this elegant Georgian Revival mansion, featuring original furnishings and beautiful gardens.
4. Stafford Beach: Enjoy the pristine white sand and turquoise waters of this unspoiled beach, perfect for swimming, sunbathing, and picnicking.

Interesting Facts:
1. Cumberland Island is the largest barrier island on the Georgia coast and is mostly designated as a wilderness area.
2. It has no paved roads, and visitors primarily explore the island on foot, by bike, or on a guided tour.
3. The island has no bridge or car ferry access, requiring visitors to take a ferry or private boat to reach it.
4. John F. Kennedy Jr. and Carolyn Bessette were married on Cumberland Island in September 1996.

Best Time to Visit:
The best time to visit Wilderness Cumberland Island is during the shoulder seasons of spring (March to May) and fall (September to November). The weather during these periods is generally mild, with fewer crowds compared to the peak summer months. It is advisable to make reservations well in advance, as visitor numbers are limited, especially during weekends and holidays.

Please note that the accuracy of this information is based on multiple independent sources, however, it is always recommended to verify specific details or changes in operating conditions with official park websites or visitor centers.