Events in the year 2015 in Costa Rica.
Incumbents
President – Laura Chinchilla Miranda (Partido Liberación Nacional – PLN) until 8 May; succeeded by Luis Guillermo Solís Rivera (Partido Acción Ciudadana – PAC). First Vice President – Alfio Piva Mesén (PLN) until 8 May; succeeded by Helio Fallas Venegas (PAC). Second Vice President – Luis Liberman Ginsburg (PLN) until 8 May; succeeded by Ana Helena Chacón Echeverría (PAC). President of the Legislative Assembly – Luis Fernando Mendoza Jiménez (PLN) until 1 May; succeeded by Henry Mora Jiménez (PAC).
Events
January
January 8 – A Princess Tours catamaran, Pura Vida Princess, caught fire and capsized off the coast of Punta Leona while carrying 98 passengers and ten crew. The Red Cross confirmed that three tourists were killed.
March
12 March – Four eruptions of the Turrialba Volcano spread ash over San José and caused the closure at 16:00 of Juan Santamaría International Airport, 70 kilometres to the west. 14 March – Continuing eruptions of the Turrialba Volcano persuaded President Luis Guillermo Solís to announce the postponement of his planned trip to France, Spain, and Italy to ensure, as he put it, "that everything's being handled with the upmost transparency". 19 March – The bullfighting champion, the famous 700-kilogram bull, "", owned by the Rodríguez Vega family, died of cardiac arrest at in playa Garza de Nicoya in Guanacaste. He was survived by his sons "" and "".
April
23 April – Continuing eruptions of the Turrialba Volcano 67 kilometres northeast of San José caused Juan Santamaría International Airport to close and flights to be cancelled. The airport reopened at 04:00 the following morning.