MainOcean Port Services: Simplifying Vessel Support As the only consolidated provider of vessel support services in Northeast Florida and Southeast Georgia, MainOcean Port services is your single point of contact for a full range of maritime services. Through our consolidated network, we provide our customers the ability to reclaim control of the cost and delivery of their vessel support needs. The MainOcean network creates value by connecting our customers with the pier, any service, any port, any time.