The Coast Guard rescued four people on Valdes Island Tuesday afternoon after their boat was swept out to sea.
It happened near Cardale Point on the southwest of the island according Darren Morley, Coast Guard Officer with the Joint Rescue Coordination Center Victoria.
The four were on the Southern Gulf Island as part of an archeological dig and their boat was believed to be on shore.
But it was then swamped and carried out to sea where it capsized.
Its understood the group then went into the water to try to retrieve the boat.
The alarm was sounded around 1:15 p.m.
According to the JRCC, all four people were on shore when the Coast Guard arrived.
One person had suffered a head injury.
They foursome was then taken by boat to Ladysmith where they were treated by BC Ambulance paramedics.
Valdes Island shows evidence of human habitation from at least 5,000 years ago and is home to approximately 60 archeological sites.