An LNG storage container carrier (700) includes: one or more cargo holds (720) provided on a hull (710) such that upper portions thereof are opened; a plurality of first (730) and second (740) upper supports installed on the cargo holds (720) in a width direction and a length direction to partition the upper portions of the cargo holds (720) into a plurality of openings, wherein storage containers (791) are vertically inserted into the openings and supported; and a lower support (750) installed under the cargo holds (720) and supporting the bottoms of the storage containers (791) inserted into the openings. Accordingly, it is possible to efficiently and stably transport the storage containers (791) storing LNG or PLNG pressurized at a predetermined pressure. Such storage containers (791) may be transported through simple modification of the existing container carrier. In particular, structures such as stanchion and lashing bridge for supporting the upper container boxes may be utilized in the container carrier, thereby minimizing time and cost for manufacturing the storage container carrier. Since a spare space is provided under the storage container, various pipes and equipments may be easily installed. It is possible to prevent the loaded storage containers from obstructing the sight necessary for navigation of the carrier.