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Basis of Presentation and General Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Basis of Presentation and General Information [Abstract] |
List of Subsidiaries |
|  |  |  | Date |
| Wholly Owned Subsidiaries | Vessel Name | DWT | Delivered to Star Bulk | Year Built
1 | Star Ennea LLC | Star Poseidon | 209,475 | February 26, 2016 | 2016
2 | Sea Diamond LLC | Goliath | 209,537 | July 15, 2015 | 2015
3 | Pearl Shiptrade LLC | Gargantua | 209,529 | April 2, 2015 | 2015
4 | Coral Cape Shipping LLC | Maharaj | 209,472 | July 15, 2015 | 2015
5 | Domus Shipping LLC | Star Ariadne (1) | 207,812 | March 28, 2017 | 2017
6 | Star Breezer LLC | Star Virgo (1) | 207,810 | March 1, 2017 | 2017
7 | Star Seeker LLC | Star Libra (1) | 207,765 | June 6, 2016 | 2016
8 | Clearwater Shipping LLC | Star Marisa (1) | 207,709 | March 11 2016 | 2016
9 | Cape Ocean Maritime LLC | Leviathan | 182,511 | September 19, 2014 | 2014
10 | Cape Horizon Shipping LLC | Peloreus | 182,496 | July 22, 2014 | 2014
11 | Sandra Shipco LLC | Star Pauline | 180,274 | December 29, 2014 | 2008
12 | Christine Shipco LLC | Star Martha | 180,274 | October 31, 2014 | 2010
13 | Pacific Cape Shipping LLC | Pantagruel | 180,181 | July 11, 2014 | 2004
14 | Star Borealis LLC | Star Borealis | 179,678 | September 9, 2011 | 2011
15 | Star Polaris LLC | Star Polaris | 179,600 | November 14, 2011 | 2011
16 | Star Trident V LLC | Star Angie | 177,931 | October 29, 2014 | 2007
17 | Sky Cape Shipping LLC | Big Fish | 177,662 | July 11, 2014 | 2004
18 | Global Cape Shipping LLC | Kymopolia | 176,990 | July 11, 2014 | 2006
19 | Star Trident XXV Ltd. | Star Triumph | 176,343 | December 8, 2017 | 2004
20 | Sea Cape Shipping LLC | Big Bang | 174,109 | July 11, 2014 | 2007
21 | Star Aurora LLC | Star Aurora | 171,199 | September 8, 2010 | 2000
22 | Nautical Shipping LLC | Amami | 98,681 | July 11, 2014 | 2011
23 | Majestic Shipping LLC | Madredeus | 98,681 | July 11, 2014 | 2011
24 | Star Sirius LLC | Star Sirius | 98,681 | March 7, 2014 | 2011
25 | Star Vega LLC | Star Vega | 98,681 | February 13, 2014 | 2011
26 | Star Alta I LLC | Star Angelina | 82,981 | December 5, 2014 | 2006
27 | Star Alta II LLC | Star Gwyneth | 82,790 | December 5, 2014 | 2006
28 | Star Trident I LLC | Star Kamila | 82,769 | September 3, 2014 | 2005
29 | Grain Shipping LLC | Pendulum | 82,619 | July 11, 2014 | 2006
30 | Star Trident XIX LLC | Star Maria | 82,598 | November 5, 2014 | 2007
(1) Vessels subject to a capital bareboat lease (Note 5)
|  |  |  | Date |
| Wholly Owned Subsidiaries | Vessel Name | DWT | Delivered to Star Bulk | Year Built
31 | Star Trident XII LLC | Star Markella | 82,594 | September 29, 2014 | 2007
32 | Star Trident IX LLC | Star Danai | 82,574 | October 21, 2014 | 2006
33 | Star Trident XI LLC | Star Georgia | 82,298 | October 14, 2014 | 2006
34 | Star Trident VIII LLC | Star Sophia | 82,269 | October 31, 2014 | 2007
35 | Star Trident XVI LLC | Star Mariella | 82,266 | September 19, 2014 | 2006
36 | Star Trident XIV LLC | Star Moira | 82,257 | November 19, 2014 | 2006
37 | Star Trident XVIII LLC | Star Nina | 82,224 | January 5, 2015 | 2006
38 | Star Trident X LLC | Star Renee | 82,221 | December 18, 2014 | 2006
39 | Star Trident II LLC | Star Nasia | 82,220 | August 29, 2014 | 2006
40 | Star Trident XIII LLC | Star Laura | 82,209 | December 8, 2014 | 2006
41 | Star Trident XV LLC | Star Jennifer | 82,209 | April 15, 2015 | 2006
42 | Star Trident XVII LLC | Star Helena | 82,187 | December 29, 2014 | 2006
43 | Star Gaia LLC | Star Charis | 81,711 | March 22, 2017 | 2013
44 | Star Elpis LLC | Star Suzanna | 81,711 | May 15, 2017 | 2013
45 | Mineral Shipping LLC | Mercurial Virgo | 81,545 | July 11, 2014 | 2013
46 | Star Trident III LLC | Star Iris | 76,466 | September 8, 2014 | 2004
47 | Star Trident XX LLC | Star Emily | 76,417 | September 16, 2014 | 2004
48 | Orion Maritime LLC | Idee Fixe (1) | 63,458 | March 25, 2015 | 2015
49 | Spring Shipping LLC | Roberta (1) | 63,426 | March 31, 2015 | 2015
50 | Success Maritime LLC | Laura (1) | 63,399 | April 7, 2015 | 2015
51 | Ultra Shipping LLC | Kaley (1) | 63,283 | June 26, 2015 | 2015
52 | Blooming Navigation LLC | Kennadi | 63,262 | January 8, 2016 | 2016
53 | Jasmine Shipping LLC | Mackenzie | 63,226 | March 2, 2016 | 2016
54 | Star Challenger I LLC | Star Challenger | 61,462 | December 12, 2013 | 2012
55 | Star Challenger II LLC | Star Fighter | 61,455 | December 30, 2013 | 2013
56 | Star Axe II LLC | Star Lutas | 61,347 | January 6, 2016 | 2016
57 | Aurelia Shipping LLC | Honey Badger | 61,320 | February 27, 2015 | 2015
58 | Rainbow Maritime LLC | Wolverine | 61,292 | February 27, 2015 | 2015
59 | Star Axe I LLC | Star Antares | 61,258 | October 9, 2015 | 2015
60 | Star Asia I LLC | Star Aquarius | 60,916 | July 22, 2015 | 2015
61 | Star Asia II LLC | Star Pisces | 60,916 | August 7, 2015 | 2015
62 | Star Trident VII LLC | Diva | 56,582 | July 24, 2017 | 2011
63 | Glory Supra Shipping LLC | Strange Attractor | 55,742 | July 11, 2014 | 2006
64 | Star Omicron LLC | Star Omicron | 53,489 | April 17, 2008 | 2005
65 | Star Gamma LLC | Star Gamma | 53,098 | January 4, 2008 | 2002
66 | Star Zeta LLC | Star Zeta | 52,994 | January 2, 2008 | 2003
67 | Star Delta LLC | Star Delta | 52,434 | January 2, 2008 | 2000
68 | Star Theta LLC | Star Theta | 52,425 | December 6, 2007 | 2003
69 | Star Epsilon LLC | Star Epsilon | 52,402 | December 3, 2007 | 2001
70 | Star Cosmo LLC | Star Cosmo | 52,247 | July 1, 2008 | 2005
71 | Star Kappa LLC | Star Kappa | 52,055 | December 14, 2007 | 2001
|  | Total dwt | 7,585,704 |  |
List of Newbuildings |
| Wholly Owned Subsidiaries | Newbuildings Name | Type | DWT
1 | Star Castle I LLC | HN 1342 (tbn Star Eleni) (2) | Newcastlemax | 208,000
2 | Festive Shipping LLC | HN 1361 (tbn Star Magnanimus) (1) | Newcastlemax | 208,000
3 | Star Castle II LLC | HN 1343 (tbn Star Leo) | Newcastlemax | 208,000
|  | Total dwt |  | 624,000
List of Non-vessel owning subsidiaries |
| Wholly Owned Subsidiaries |  |
1 | Star Bulk Management Inc. | 25 | Star Uranus LLC
2 | Starbulk S.A. | 26 | Star Logistics Management S.A.
3 | Star Bulk Manning LLC | 27 | Gravity Shipping LLC
4 | Star Bulk Shipmanagement Company (Cyprus) Limited | 28 | White Sand Shipping LLC
5 | Optima Shipping Limited | 29 | Premier Voyage LLC
6 | Star Omas LLC | 30 | L.A. Cape Shipping LLC
7 | Star Synergy LLC | 31 | Cape Confidence Shipping LLC
8 | Oceanbulk Shipping LLC | 32 | Cape Runner Shipping LLC
9 | Oceanbulk Carriers LLC | 33 | Olympia Shiptrade LLC
10 | International Holdings LLC | 34 | Victory Shipping LLC
11 | Star Ventures LLC | 35 | Star Cape I LLC
12 | Star Logistics LLC (ex Dry Ventures LLC) | 36 | Star Cape II LLC
13 | Unity Holding LLC | 37 | Positive Shipping Company
14 | Star Bulk (USA) LLC | 38 | OOCape1 Holdings LLC
15 | Star Trident XXI LLC | 39 | Oday Marine LLC
16 | Star Trident XXIV LLC | 40 | Searay Maritime LLC
17 | Star Trident XXVII LLC | 41 | Lowlands Beilun Shipco LLC
18 | Star Trident XXXI LLC | 42 | Star Trident VI LLC
19 | Star Trident XXIX LLC | 43 | KMSRX Holdings LLC
20 | Star Trident XXVIII LLC | 44 | Dioriga Shipping Co.
21 | Star Trident XXVI LLC | 45 | Star Trident XXX LLC
22 | Star Trident XXII LLC | 46 | Star Trident IV LLC
23 | Star Trident XXIII LLC | 47 | Pacific Ventures Holdings LLC
24 | Star Alpha LLC | 48 | Star Mare LLC
Charter Revenue Percentage |
Charterer | 2015 | 2016 | 2017
A | 6% | 13% | 14%

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