In the late 19th century, the warehouse's role in the local economy began to shift as technological advancements, including the development of railways, led to changes in the transportation of goods. However, Marriott's Warehouse continued to operate as a storage facility, albeit on a smaller scale. However, by the early 21st century it had fallen into serious disrepair, being saved when it underwent complete restoration as part of the Green Quay project in 2008.