Oceanside Harbor Days is an annual festival held in Oceanside, California, celebrating the local maritime culture. The event typically features a variety of activities, including live music, food vendors, and arts and crafts booths. Families can enjoy games and entertainment, making it a fun outing for all ages. In addition to the festivities, Oceanside Harbor Days often includes a parade and a fishing tournament, showcasing the community's connection to the ocean. The event aims to promote local businesses and foster a sense of community among residents and visitors alike.