Two young children died at the hospital after a large barge crashed into a summer camp sailboat they were on near Hibiscus Island off Miami Beach Monday morning, according to the U.S. Coast Guard.

A third child on the boat was taken to Ryder Trauma Center at Jackson Memorial Hospital and was unresponsive as of Monday afternoon, said Petty Officer 3rd Class Nicholas Strasburg, a Coast Guard spokesman.

A fourth child was transported in stable condition, according to Miami Fire Rescue.

The boat, part of a sailing camp at the Miami Yacht Club on Watson Island, capsized around 11:15 a.m. between Monument and Hibiscus islands, Miami Beach police said. A large barge hit the sailboat, which had five children and a camp counselor on it. The impact caused the barge to go over the top of the sailboat, said the Florida Fish and Wildlife Conservation Commission (FWC), the state police agency investigating the crash.

Authorities did not identify the children. Lt. Pete Sanchez, with City of Miami Fire Rescue, said the children were between the ages of 8 and 12.

Paramedics took three of the children to Ryder Trauma Center at Jackson Memorial Hospital in critical condition, Sanchez said. Strasburg, with the Coast Guard, confirmed to the Herald that two have since died, and the third is not responsive.

A fifth was evaluated by paramedics at the Miami Yacht Club on Watson Island, where paramedics determined he did not need further care, according to Sanchez.

The Miami Yacht Club confirmed the crash on its Instagram account Monday:

“The entire MYC family is devastated by this terrible tragedy, ’’Emily Copeland, the Yacht Club’s commodore, said in an email to the Herald.

The club is working with the FWC and Wildlife Conservation Commission and the Coast Guard, she added.

The FWC issued a Monday morning: “On July 28, (FWC) officers responded to a two-vessel boating accident in Miami-Dade County, along with multiple law enforcement partners. Preliminary information indicates that a barge struck a sailing vessel carrying six people near Star Island in Miami Beach. All six victims, an adult female and five juveniles, were recovered from the water and transported to a local hospital for treatment.”

Scene at the Miami Yacht Club

On Monday afternoon, a steady stream of cars lined up at the white gates of the Yacht Club, a public club located on Watson Island off the MacArthur Causeway. Many were driven by parents arriving to pick up their children from camp. As cars exited the gates, a few carried away teenagers who appeared emotionally distraught.

A diver exited the Yacht Club in full dive gear Monday afternoon and told the Herald about a conversation he’d had two hours earlier with a staff member at the Yacht Club. The staff member told the diver that a large iron platform barge with cranes on top towing a boat had driven over the small vessel with the children and camp counselor onboard after the smaller vessel crossed in front of the barge.

“They didn’t see the boys in the boat moving in front of them and the barge drove right on top of them,” the diver said.

Police vehicles, some arriving with flashing lights, entered and left the club throughout the afternoon. The club, founded in 1927, was closed to all non-members, including media. Miami Yacht Club staff and management declined to speak to the Herald or confirm any details about the capsized vessel, the children and counselor aboard, or the camp program involved.

Yachts and sailboats remained tied along the docks outside the club, and few vessels appeared to be floating out in Biscayne Bay. There appeared to be little boating activity overall on Monday afternoon on the waters near the Miami Yacht Club, though intense heat and sun may have deterred members from setting sail.

Hibiscus Island is a Miami Beach island in Biscayne Bay across from PortMiami.

Miami-Dade Fire Rescue boats, helicopters and divers helped in the search for the people in the moments after the boat went down, the agency said.

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