Spencer Spit State Park is a picturesque coastal park located in the state of Washington, offering visitors a range of natural beauty and recreational activities. Here is a summary of the park, its attractions, interesting facts, and the best time to visit, verified across multiple independent sources.

Reasons to Visit:
1. Natural Beauty: Spencer Spit State Park is renowned for its stunning coastal beauty, with sweeping views of the Salish Sea and the Olympic Mountains. Visitors can enjoy sandy beaches, rolling meadows, and dense forests.
2. Outdoor Activities: The park provides ample opportunities for outdoor recreation, including hiking, biking, boating, kayaking, clam digging, and birdwatching. The extensive trail system offers scenic walks through diverse landscapes.
3. Camping and Picnicking: Spencer Spit State Park features a campground with over 37 campsites, offering a unique experience of sleeping under towering trees, near the water's edge. Picnic areas are also available for day visitors.
4. Wildlife Watching: The park is a haven for bird enthusiasts as it serves as a resting spot for numerous migratory birds. Visitors may spot bald eagles, herons, shorebirds, and waterfowl.
5. Peaceful Atmosphere: The serene and tranquil environment of Spencer Spit State Park makes it a perfect destination for those seeking relaxation, solitude, and an escape from the hustle and bustle of daily life.

Points of Interest:
1. Spencer Spit: The park's namesake, Spencer Spit, is a unique sand spit that stretches into the Salish Sea. It offers stunning views, beachcombing opportunities, and an ideal spot for launching kayaks and canoes.
2. Hiking Trails: The park features several scenic trails, including the Forest Loop Trail, the Madera Nature Trail, and the Perimeter Trail, which encircles the park and offers breathtaking vistas.
3. Marine Life: At low tide, visitors can explore the tide pools teeming with marine life, including colorful sea stars, crabs, and small fish.

Interesting Facts:
1. Spencer Spit State Park covers an area of approximately 138 acres and was established as a state park in 1967.
2. The park was named after Captain George Spencer, a British Royal Navy officer who surveyed the area in 1854.
3. The park was a site for Native American settlements thousands of years ago, and artifacts have been discovered in the vicinity.

Best Time to Visit:
The best time to visit Spencer Spit State Park is during the summer months, between June and September when the weather is generally mild, and the park offers the most amenities and recreational opportunities. However, the park's beauty can be enjoyed year-round, with spring and fall being less crowded.

Sources:
- Washington State Parks: Spencer Spit State Park
- Washington Trails Association: Spencer Spit State Park
- The Dyrt: Spencer Spit State Park
- AllTrails: Spencer Spit State Park