The Costa Rica holidays page focuses on Costa Rican fiestas, holiday events other events of interest for visitors.
Official Costa Rican Holidays
January 1: New Year's Day
March/April: *Easter Week (date varies year to year)
April 11: Juan Santamaria Day
May 1: Labor Day
July, third weekend: Puntarenas' Virgin of the Sea Festival
July 25: Annexation of Guanacaste Day
August 15: Mother's Day
September 15: Independence Day
December 25: *Christmas.
*These are particularly colorful times to visit. But all banks and many other institutions even grocery stores, though these are not considered institutions in many countries close for Easter weekend. Local travel is hectic, and there are other inconveniences.
Beaches are crowded on local holidays, and you must book hotels, resorts and fishing boats months in advance for Easter and Christmas vacation. Banks and other institutions close for an entire week or more for Christmas.