Exhibit 8.1
| Name | Organization | Ownership percentage |
| Star Bulk Management Inc. | Marshall Islands | 100% |
| Starbulk S.A. | Liberia | 100% |
| Star Bulk (USA) LLC | Delaware | 100% |
| Star Bulk Shipmanagement Company (Cyprus) Limited | Cyprus | 100% |
| Candia Shipping Limited (ex Optima Shipping Limited) | Malta | 100% |
| Star Logistics LLC | Marshall Islands | 100% |
| Oceanbulk Carriers LLC | Marshall Islands | 100% |
| Oceanbulk Shipping LLC | Marshall Islands | 100% |
| Star Bulk Norway AS* | Norway | 100% |
| Star Omas LLC | Marshall Islands | 100% |
| Star Synergy LLC | Marshall Islands | 100% |
| Unity Holding LLC | Marshall Islands | 100% |
| Star Gamma LLC | Marshall Islands | 100% |
| Star Delta LLC | Marshall Islands | 100% |
| Star Epsilon LLC | Marshall Islands | 100% |
| Star Zeta LLC | Marshall Islands | 100% |
| Star Theta LLC | Marshall Islands | 100% |
| Star Kappa LLC | Marshall Islands | 100% |
| Star Omicron LLC | Marshall Islands | 100% |
| Star Cosmo LLC | Marshall Islands | 100% |
| Star Aurora LLC | Marshall Islands | 100% |
| Star Borealis LLC | Marshall Islands | 100% |
| Star Polaris LLC | Marshall Islands | 100% |
| Star Bulk Manning LLC | Marshall Islands | 100% |
| Star Challenger I LLC | Marshall Islands | 100% |
| Star Challenger II LLC | Marshall Islands | 100% |
| Star Vega LLC | Marshall Islands | 100% |
| Star Sirius LLC | Marshall Islands | 100% |
| Star Castle I LLC | Marshall Islands | 100% |
| Star Castle II LLC | Marshall Islands | 100% |
| Star Ennea LLC | Marshall Islands | 100% |
| Star Asia I LLC | Marshall Islands | 100% |
| Star Asia II LLC | Marshall Islands | 100% |
| Star Axe I LLC | Marshall Islands | 100% |
| Star Axe II LLC | Marshall Islands | 100% |
| Star Seeker LLC | Marshall Islands | 100% |
| Star Breezer LLC | Marshall Islands | 100% |
| Star Elpis LLC | Liberia | 100% |
| Star Gaia LLC | Liberia | 100% |
| Star Mare LLC | Marshall Islands | 100% |
| Star New Era LLC | Marshall Islands | 100% |
| Star Thor LLC | Marshall Islands | 100% |
| Star Uranus LLC | Marshall Islands | 100% |
| Star Ventures LLC | Marshall Islands | 100% |
| Star ABY LLC | Marshall Islands | 100% |
| Cape Horizon Shipping LLC | Marshall Islands | 100% |
| Cape Ocean Maritime LLC | Marshall Islands | 100% |
| Grain Shipping LLC | Marshall Islands | 100% |
| Glory Supra Shipping LLC | Marshall Islands | 100% |
| Global Cape Shipping LLC | Marshall Islands | 100% |
| Sky Cape Shipping LLC | Marshall Islands | 100% |
| Pacific Cape Shipping LLC | Marshall Islands | 100% |
| Sea Cape Shipping LLC | Marshall Islands | 100% |
| Coral Cape Shipping LLC | Marshall Islands | 100% |
| Aurelia Shipping LLC | Marshall Islands | 100% |
| Pearl Shiptrade LLC | Marshall Islands | 100% |
| Rainbow Maritime LLC | Marshall Islands | 100% |
| Sea Diamond Shipping LLC | Marshall Islands | 100% |
| Majestic Shipping LLC | Marshall Islands | 100% |
| Nautical Shipping LLC | Marshall Islands | 100% |
| Mineral Shipping LLC | Marshall Islands | 100% |
| Clearwater Shipping LLC | Marshall Islands | 100% |
| Domus Shipping LLC | Marshall Islands | 100% |
| Festive Shipping LLC | Marshall Islands | 100% |
| Star Alta I LLC | Marshall Islands | 100% |
| Star Alta II LLC | Marshall Islands | 100% |
| Orion Maritime LLC | Marshall Islands | 100% |
| Primavera Shipping LLC (ex Spring Shipping LLC) | Marshall Islands | 100% |
| Success Maritime LLC | Marshall Islands | 100% |
| Ultra Shipping LLC | Marshall Islands | 100% |
| Blooming Navigation LLC | Marshall Islands | 100% |
| Jasmine Shipping LLC | Marshall Islands | 100% |
| Star Trident V LLC | Marshall Islands | 100% |
| Star Trident VI LLC | Marshall Islands | 100% |
| Star Trident VII LLC | Marshall Islands | 100% |
| Star Trident I LLC | Marshall Islands | 100% |
| Star Trident VIII LLC | Marshall Islands | 100% |
| Star Trident IX LLC | Marshall Islands | 100% |
| Star Trident X LLC | Marshall Islands | 100% |
| Star Trident XI LLC | Marshall Islands | 100% |
| Star Trident II LLC | Marshall Islands | 100% |
| Star Trident XII LLC | Marshall Islands | 100% |
| Star Trident XIII LLC | Marshall Islands | 100% |
| Star Trident XIV LLC | Marshall Islands | 100% |
| Star Trident XV LLC | Marshall Islands | 100% |
| Star Trident XVI LLC | Marshall Islands | 100% |
| Star Trident XVII LLC | Marshall Islands | 100% |
| Star Trident XVIII LLC | Marshall Islands | 100% |
| Star Trident XIX LLC | Marshall Islands | 100% |
| Star Trident III LLC | Marshall Islands | 100% |
| Star Trident XX LLC | Marshall Islands | 100% |
| Star Trident XXV LLC | Liberia | 100% |
| Star Nor I LLC | Marshall Islands | 100% |
| Star Nor II LLC | Marshall Islands | 100% |
| Star Nor III LLC | Marshall Islands | 100% |
| Star Nor IV LLC | Marshall Islands | 100% |
| Star Nor V LLC | Marshall Islands | 100% |
| Star Nor VI LLC | Marshall Islands | 100% |
| Star Nor VII LLC | Marshall Islands | 100% |
| Star Nor VIII LLC | Marshall Islands | 100% |
| Star Nor IX LLC | Marshall Islands | 100% |
| Star Nor X LLC | Marshall Islands | 100% |
| Star Nor XI LLC | Marshall Islands | 100% |
| Star Nor XII LLC | Marshall Islands | 100% |
| Star Nor XIII LLC | Marshall Islands | 100% |
| Star Nor XIV LLC | Marshall Islands | 100% |
| Star Nor XV LLC | Marshall Islands | 100% |
| ABY I LLC | Marshall Islands | 100% |
| ABY II LLC | Marshall Islands | 100% |
| ABY III LLC | Marshall Islands | 100% |
| ABY IV LLC | Marshall Islands | 100% |
| Sandra Shipco LLC | Marshall Islands | 100% |
| Christine Shipco LLC | Marshall Islands | 100% |
| ABM One LLC | Liberia | 100% |
| ABY Three LLC | Liberia | 100% |
| ABY Five Ltd | Malta | 100% |
| ABY Seven LLC | Liberia | 100% |
| ABY Fourteen LLC | Liberia | 100% |
| ABY Fifteen LLC | Liberia | 100% |
| Augustea Bulk Carrier LLC | Liberia | 100% |
| ABY Nine LLC | Liberia | 100% |
| ABY Ten LLC | Liberia | 100% |
| ABY Eleven LLC | Liberia | 100% |
| Waterfront Two LLC | Liberia | 100% |
| ABY Group Holding LLC | Liberia | 100% |
| New Era I Shipping LLC | Marshall Islands | 100% |
| New Era II Shipping LLC | Marshall Islands | 100% |
| New Era III Shipping LLC | Marshall Islands | 100% |
| Star Regina LLC | Marshall Islands | 100% |
| Star Regg I LLC | Marshall Islands | 100% |
| Star Regg II LLC | Marshall Islands | 100% |
| Star Regg III LLC | Marshall Islands | 100% |
| Star Regg IV LLC | Marshall Islands | 100% |
| Star Regg V LLC | Marshall Islands | 100% |
| Star Regg VI LLC | Marshall Islands | 100% |
| Star Regg VII LLC | Marshall Islands | 100% |
| Star Sege Ltd | Malta | 100% |
| Star Lida I Shipping LLC | Marshall Islands | 100% |
| Star Lida II Shipping LLC | Marshall Islands | 100% |
| Star Lida III Shipping LLC | Marshall Islands | 100% |
| Star Lida IV Shipping LLC | Marshall Islands | 100% |
| Star Lida V Shipping LLC | Marshall Islands | 100% |
| Star Lida VI Shipping LLC | Marshall Islands | 100% |
| Star Lida VII Shipping LLC | Marshall Islands | 100% |
| Star Lida VIII Shipping LLC | Marshall Islands | 100% |
| Star Lida IX Shipping LLC | Marshall Islands | 100% |
| Star Lida X Shipping LLC | Marshall Islands | 100% |
| Star Lida XI Shipping LLC | Marshall Islands | 100% |
| Star Bulk (Singapore) Pte. Ltd | Singapore | 100% |
| Star Bulk Germany GmbH | Germany | 100% |
| Star Zeus LLC | Marshall Islands | 100% |
| Star Zeus I LLC | Marshall Islands | 100% |
| Star Zeus II LLC | Marshall Islands | 100% |
| Star Zeus III LLC | Marshall Islands | 100% |
| Star Zeus IV LLC | Marshall Islands | 100% |
| Star Zeus V LLC | Marshall Islands | 100% |
| Star Zeus VI LLC | Liberia | 100% |
| Star Zeus VII LLC | Liberia | 100% |
| Star Sun I LLC | Liberia | 100% |
| Star Sun II LLC | Liberia | 100% |
| Star Bulk Finance (Cyprus) Limited | Cyprus | 100% |
| * under liquidation |