The Irma was a steamship which sank on July 14, 1911 at Port Limón, Costa Rica after a collision with the Steamship Diamante.
Loss of life approximately 39 (32 passengers and 7 crew- Warren Evening Mirror) .
The accident occurred in the estuary of the St. John river where both vessels were maneuvering during a violent storm.
The accident occurred at 8:00 p.m. local time.
This article about a specific civilian ship or boat is a stub.