Coamo Springs Golf Club and Tennis Club (Carr. 153, km 1.5, 787/825-1370, www.coamosprings.com [1], daily 7 a.m.–7 p.m.) is an 18-hole course designed by Ferdinand Garbin in a residential community that will challenge your ability to golf in the wind.
Maratón de San Blás de Illesca (787/825-1370) is an internationally renowned half marathon held in early February.
Links:
[1] http://www.coamosprings.com