If you are a golfer, there are some great golf courses not too far from San Juan...
Fort Buchanan Golf Club is in San Juan...787-707-3852
Rio Bayamon Golf Course...787-740-1419
In Dorado, Puerto Rico...
Dorado Del Mar Golf course...787-796-3065 (looks to be right on the water!)
West Golf Course...787-796-3065 (yes, the same number as the Dorado Del Mar)
East Golf Course...787-796-8961 (looks to be right on the water)
There are many more golf courses, but these appear to be closest to San Juan!