A collision between two boats in the waters off Long Island left one man dead and six other boaters injured, authorities said.

The fatal wreck occurred in the Freeport Creek near Cow Mead Park about 6:45 p.m., police said.

All seven injured passengers were taken to a nearby hospital, where a 25-year-old man was declared dead. Police did not immediately release his identity.

Two of the six people involved in the crash suffered serious injuries, police said.

The cause of the collision is under investigation.