The Melanesian Spearhead Group is undertaking a feasibility study on the value of operating its own shipping and airline services.
MSG Trade Ministers say improved connectivity within member countries will foster more trade and economic activity.
Papua New Guinea has been tasked with investigating the potential of the sub-regional body running its own ships and planes.
A report on the study is expected to be presented to the ministers by next year.
Fiji TV reports the director of trade at the MSG Secretariat, Peni Sikivou, saying connectivity remains a challenge in the region.
A meeting last week also agreed to broaden the 3rd MSG Trade Agreement to include trade in services, labor mobility and investment.