Photographs posted on social media via the official cleanup effort with help from the Ministry of the Environment show the ship in two parts, "and the tugboats already at work. Oil barriers were in operation, and nearby was a skimmer truck.
Most if not all the remaining 3,000 tons of fuel had been drained off the ship over the last week as conservation groups cautioned that the damage to coral reefs and once-pristine coastal areas could be irreversible.
The Government of Mauritius is under pressure to justify why it did not take prompt action to clear the ship of its fuel. Premier Pravind Jugnauth had earlier blamed the slow response for bad weather.
Owner Nagashiki Shipping said residual "amounts of fuel remained on the ship after pumping." It is investigating why the ship went off course.
The ship was designed to stay from shore for at least 10 miles (16 kilometres).