Port of Spain of the preparation for Queen Victoria's jubilee. The National Museum has two smaller branch museums: Fort San Andres which is located on South Quay, opposite City Gate. According to Geoffrey MacLean, in the Trinidad Express Newspaper in December 2014, "the fort, which replaced a mound of mud and wood that served as the only defence of Port of Spain, was, when completed in 1787, located offshore and linked to the mainland by a wooden bridge." The Trinidad and Tobago Police Service Museum which is located at the Old Police Headquarters on St. Vincent Street. This Museum is in close proximity
Port of Spain town's population and its geographical extension westwards. From the small cluster of buildings at the foot of the Laventille Hills, eleven streets were laid out west to the area bounded by the St. Ann's River, thus establishing the grid pattern which has survived in downtown Port of Spain to the present day. Along the sea shore was the Plaza de la Marina (Marine Square), a parade ground. By 1786, the town had a population of about 3,000. Realising that the St. Ann's River, prone to flooding, was impeding the expansion of the town, Chacón had its course diverted in 1787