Pismo Beach stands out for its quiet shores, scenic pier, and laid-back Central Coast charm.Beachgoers enjoying a sunny day in Pismo Beach, California.Credit: Alexander Spatari/Getty ImagesThe California coastline is home to some of the most beautiful sights in the country. In a single day, you might tour a hilltop castle, watch elephant seals bask along the shore, and pass dramatic cliffs dotted with cozy inns. Destinations like Carmel-by-the-S…