St. Sebastian River Preserve State Park is a beautiful and diverse nature reserve located in the state of Florida. Here is a summary of the park, including reasons to visit, points of interest, interesting facts, and the best time to visit, verified across multiple independent sources.

Reasons to Visit:
1. Breathtaking Scenery: St. Sebastian River Preserve State Park is known for its stunning natural landscapes, including lush forests, pristine wetlands, and the scenic St. Sebastian River. It offers visitors a chance to immerse themselves in the untouched beauty of Florida's wilderness.
2. Outdoor Activities: The park provides opportunities for various outdoor activities, such as hiking, biking, horseback riding, bird watching, fishing, and boating. With over 60 miles of trails, visitors can explore the park's diverse ecosystems and spot an array of wildlife.
3. Wildlife Viewing: St. Sebastian River Preserve is home to numerous species of wildlife, including the Florida black bear, Eastern indigo snake, bald eagles, river otters, and alligators. Nature enthusiasts will have plenty of opportunities to observe and photograph these creatures in their natural habitats.

Points of Interest:
1. St. Sebastian River: A major highlight of the park is the scenic St. Sebastian River, which offers excellent opportunities for kayaking, canoeing, and fishing. The river provides a serene setting for outdoor water activities and a chance to observe water birds and other wildlife.
2. Hiking Trails: The park features an extensive trail network, with options ranging from easy walks to more challenging hikes. The 22-mile long Florida National Scenic Trail passes through the park, providing hikers with beautiful vistas and diverse ecosystems to explore.
3. Paleo Hammock Preserve: This unique area within the park showcases ancient sand dunes that date back thousands of years. Visitors can traverse the boardwalk and experience a glimpse of Florida's geological history.

Interesting Facts:
1. Size and Protection: St. Sebastian River Preserve State Park covers over 22,000 acres, making it one of the largest state parks in Florida. It was established to protect the diverse habitats of the St. Sebastian River watershed and its associated flora and fauna.
2. Endangered Species: The park is known for its efforts in conserving and protecting several threatened and endangered species, including the Florida scrub jay, gopher tortoise, and Eastern indigo snake. It serves as an important habitat for these species.
3. Historical Significance: The park's lands were once occupied by the Ais indigenous people, who thrived along the river centuries ago. The remnants of their ancient settlements can still be found within the park, adding to its historical significance.

Best Time to Visit:
The best time to visit St. Sebastian River Preserve State Park is during the cooler and drier months, typically from November to April. This period offers comfortable temperatures for outdoor activities while avoiding the hot and humid summer weather. Furthermore, winter months are ideal for bird watching, as migratory species can be spotted in the park.

Please note that it's always advisable to check the official St. Sebastian River Preserve State Park website or independently verified sources for the most up-to-date information on visiting the park.