X0101 EFFECT 33 LIVE 2010-03-29 09:15:00

S-4

0001404973 Energy XXI Gulf Coast, Inc. 333-163968 0001343719 ENERGY XXI (BERMUDA) LTD 333-163968-05 0001473617 Energy USA XXI, Inc. 333-163968-04 0001404972 Energy XXI GOM, LLC 333-163968-03 0001404971 Energy XXI Texas Onshore, LLC 333-163968-02 0001404974 Energy XXI Onshore, LLC 333-163968-01