Top of the World hike offers an amazing view of Laguna Beach and the Pacific ocean. Come out there on a clear day to enjoy the scenery. There are many trails to check out, but you can access the viewpoint with just a short hike (1/4 mile?).
Warning, this is a very popular hike. Parking can be a bit difficult if you arrive late morning. I recommend coming around 8AM for easy parking. Traffic around Laguna Beach can also be a pain later in the day as it is a very popular Southern California beach with limited access.
Yelp link - https://www.yelp.com/biz/top-of-the-world-laguna-beach-2