From the point of view of transportation economy, goods weighing less than 500 tons should be transported by small vessels and not by ships. Meanwhile, maritime law mainly includes issues of ships and open waters. Therefore, the rights related to vessels have remained isolated in the literature of maritime law. This research has been done by analytical-descriptive method. The research question is, what are the challenges in the field of marine transportation by boat from the point of view of administrative law? While examining administrative problems in the way of sea transportation in low tonnage, it was concluded that despite the establishment of regulations for the importation of goods of less than 500 tons by sailors, by the government board, the attention of jurists to this matter is still small and it needs attention. The implementation of the said regulation is still facing implementation problems due to the lack of attention to infrastructure. One of the requirements of this important implementation is the coordination between maritime organizations, customs, ports and shipping and several other institutions. Having up-to-date facilities is also one of the requirements for the implementation of the mentioned by-laws. In a situation where monitoring of this mechanism has been forgotten due to weak infrastructure facilities, the use of vessels is aimed at smuggling goods, and this also causes the cost of transportation to rise. In the end, it is necessary to prepare and adjust the monitoring mechanism of these vessels in coordination with all the related bodt