The government's had less than £100,000 in the last 10 years as it rents out part of our seabed to an energy company.
Infrastructure Minister Dr Michelle Haywood gave the figure in the House of Keys this week as she faced questions from Douglas Central MHK Chris Thomas.
He wanted to know about money made from offshore energy agreements.
Dr Haywood revealed some information about a contract with Dong Wind Energy, which wants to build an offshore wind farm:
Emergency closure in place on quayside
Passport services to move online
Woman plans to ride 100 miles for charity
Roadworks near Foxdale this week
Postal vote deadline looms for those living abroad
MP reveals more details of Whitehaven ferry proposals
Council wishes Bee Gee happy 80th birthday
Warning over traffic delays as city centre work gets underway