SS Santa Leonor - near Isobel Island, Chile - Shipwrecks on Waymarking.com

The poster of the Waymark found it while on a Holland America cruise around South America and through the Smyth Channel. The ships rests on its side next to Isobel Island.
Wikipedia provides a history of the USS Riverside (visit link) which includes:

"Riverside arrived at Norfolk, Virginia, on 5 March. Decommissioned on 27 April, she was redelivered to the Maritime Commission's War Shipping Administration on the 28th. Her name was struck from the Navy list on 8 May 1946, and she was sold to Pacific Argentina Brazil lines (P&T) in December 1948, renamed SS P&T Forester. She was sold to Moore McCormack Lines Inc. in March, 1957, renamed SS Mormacwave and sold for the final time to Grace Lines Inc. in August, 1966, renamed SS Santa Leonor. She was wrecked on 31 March 1968 on Isabel Island, in the Smyth Channel where her partially submerged wreck remains."

and this website (visit link) has additional information and a photo of the wreck.

Date of Shipwreck: 3/31/1968 Type of Boat: Other Military or Civilian: Civilian at the time of the wreck Cause of Shipwreck: ran aground Accessibility: can be seen from the Channel Diving Permitted: Not Listed

Visit Instructions:
Only log the site if you have visited it personally.
Floating over a site does not qualify as a find if it is a wreck that requires diving - you must have actually visited the site - therefore photos of the site are good.

Recent Visits/Logs:

Date Logged Log User Rating   03/30/2016 Metro2 visited it