Kincardine has closed the south pier at Station Beach following a drowning on Saturday.
"It is suspected that he jumped in from the south pier and encountered difficulties," a statement from the municipality said. According to the statement, the pier will stay closed for the remainder of the weekend.
South Bruce Ontario Provincial Police (OPP) received the report of an unresponsive person in Lake Huron at 11:17 a.m.
Emergency crews responded to both the north and south piers of Station Beach.
Fire Chief Brad Lemaich confirmed that a male victim was pulled from the water close to the north pier.
Life-saving efforts were initiated on a 66-year-old man before he was transported to hospital where he was pronounced dead.
"There are no words to convey how terrible this news is," Mayor Kenneth Craig said, expressing his condolences to the man's family.
A 7-year-old boy was pulled from the water by community members, OPP said. "He was transported to a local hospital in stable condition where he is expected to recover."
The identities of the people involved are being withheld out of respect for the family.
The incident is not considered to be suspicious.
Anyone with information is asked to contact South Bruce OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-8477 (TIPS).