Built in 1966, by Lemay Barge and Supply of Greensville, Mississippi (hull #306) as the Albert Mallory.
In 1966, the tug was sold. And, renamed as the Betty Walden II.
In 1995, Sun State Marine Services Incorporated of Jacksonville, Florida. A subsidy of the Colonial Oil Company of Savannah, Georgia. Where she was renamed as the Sun Merchant.
In 2002, the Chatham Towing Company merged with the Colonial Towing Company of Savannah, Georgia. To form the Chatham-Colonial Towing Company of Savannah, Georgia. Where the tug retained her name.
In 2013, the Chatham-Colonial Towing Company was acquired by the Vane Brothers Company of Baltimore, Maryland. Where the tug retained her name.
In 2016, the tug was acquired by the the Stevens Towing Company of Yonges Island, South Carolina. Where the tug was renamed as the Island Merchant.
She is twin screw, square bow, push boat, rated at 850 horsepower.