Exhibit 21.1
SUBSIDIARIES OF OCEAN RIG PARTNERS LP
Name of Subsidiary | Jurisdiction of Incorporation | |
| Ocean Rig Operating Partners GP LLC | Republic of the Marshall Islands | |
| Ocean Rig Operating LP | Republic of the Marshall Islands | |
| Drillships Ocean Ventures II Inc. | Republic of the Marshall Islands | |
| Drillship Skiathos Shareholders II Inc. | Republic of the Marshall Islands | |
| Drillship Skiathos Owners II Inc. | Republic of the Marshall Islands | |
| Drillship Skyros Shareholders II Inc. | Republic of the Marshall Islands | |
| Drillship Skyros Owners II Inc. | Republic of the Marshall Islands | |
| Drillship Kythnos Shareholders II Inc. | Republic of the Marshall Islands | |
| Drillship Kythnos Owners II Inc. | Republic of the Marshall Islands | |