They have warned that serious actions will be taken to make their call heard.
The landowners said they have been quiet for too long and it was time they came out to speak on the issue.
Representatives from the region say following the signing of the Umbrella Benefit Sharing Agreement (UBSA) and Landowner Benefit Sharing Agreement in 2009 for the PNG LNG Project, they were promised K19 million.
However they said they only received a fraction of that.
