| Owner | Manager | From | Until | | Newfoundland Government | | 1944 | 1949 |
| Canadian Government | | 1949 | 1965 |
| S.W. Mifflin Ltd. - St. John's, Newfoundland, Canada | | 1965 | 1977 |
| Bonaventures Ltd. - St. John's, Newfoundland, Canada | | 1977 | 1984 |
| Highland Cove Marina Ltd. - St. John's, Newfoundland, Canada | | 1984 | 1989/08 |
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