I personally do not recommend this, but this is a popular sport for the local kids: Dos Hermanos bridge diving.
The bridge connects Condado with Old San Juan and you will usually see kids diving off the bridge most weekends
Photo by abnelgonzalez, published using the Creative Commons License
Camera: Canon EOS RebelXti
Exposure: 0.003 sec (1/400)
Aperture: f/9
Focal Length: 14 mm
ISO Speed: 100
Exposure Bias: -1/3 EV