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%
Star Logistics Management S.A. (1)	Switzerland	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 Holdings 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%

Name Organization Ownership percentage

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%
Cape Confidence Shipping LLC	Marshall Islands	100%
Cape Runner 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%
White Sand 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%
Gravity Shipping 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%
Searay Maritime LLC	Marshall Islands	100%
Blooming Navigation LLC	Marshall Islands	100%
Jasmine Shipping LLC	Marshall Islands	100%
International Holdings 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%

Name Organization Ownership percentage

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 LTD.	British Virgin Islands	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 Ltd	Malta	100%
ABY Three Ltd	Malta	100%
ABY Five Ltd	Malta	100%
ABY Seven Ltd	Malta	100%
ABY Fourteen Ltd	Malta	100%
ABY Fifteen Ltd	Malta	100%
Augustea Bulk Carrier Ltd	Malta	100%
ABY Nine Ltd	Malta	100%
ABY Ten Ltd	Malta	100%
ABY Eleven Ltd	Malta	100%
Waterfront Two Ltd	Malta	100%
ABY Group Holding Ltd	Malta	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%

Name Organization Ownership percentage

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 Trident IV LLC	Marshall Islands	100%
Star Trident XXI LLC	Marshall Islands	100%
Star Trident XXII LLC	Marshall Islands	100%
Star Trident XXIII LLC	Marshall Islands	100%
Star Trident XXIV LLC	Marshall Islands	100%
Star Trident XXVI LLC	Marshall Islands	100%
Star Trident XXVII LLC	Marshall Islands	100%
Star Trident XXVIII LLC	Marshall Islands	100%
Star Trident XXIX LLC	Marshall Islands	100%
Star Trident XXX LLC	Marshall Islands	100%
Star Trident XXXI LLC	Marshall Islands	100%
Positive Shipping Company	Marshall Islands	100%
Dioriga Shipping Co.	Marshall Islands	100%

⁽¹⁾ Under liquidation