The intensive meetings would help elevate the friendly relations and cooperation between China and Caribbean countries to a new level, analysts said.
Costa Rica is the second leg of Xi's three-nation Latin American trip, which will also take him to Mexico.
Afterwards, Xi will fly to the U.S. state of California for a summit meeting with U.S. President Barack Obama on June 7-8 at Sunnylands, the Walter and Leonore Annenberg estate in Rancho Mirage.
The China-U.S. summit will be the first of its kind since both nations completed their most recent leadership transitions.
Xi and Obama are expected to exchange views on domestic and foreign policies, as well as issues of pivotal importance and regional and international issues of common concern, Chinese officials said.
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