AMAGANSETT - Officials are investigating how a Brooklyn man died after family members found his body floating in the waters off Amagansett. 

The body of Nicholas Valtz was found around 2 p.m. yesterday off Lazy Point. 

Valtz's family says they went looking for the 39-year-old when he did not come back to his Bridgehampton home after going kiteboarding. 

Valtz's body was found still attached to his kite.