This patch is based on the Halcyon Island_LowConflict.esp (renamed simply Halcyon Island.esp)

Install the original Halcyon Island resources as well as the low conflict plugin that you will rename Hacyon Island.esp and use this Patch to place the necessary items in a place where it doest conflict with Better Cities and the Anvil Bay Expansion.

Load order is as always:
The mod: Halcyion Island
The city: Better Cities Full or Anvil
The pactch: Better Cities - Halcyon Island