St Mary's Guildhall stands as a testament to Lincoln's enduring heritage, a Grade I listed building and Scheduled Monument that serves as a significant cultural asset for the city. Managed by the Lincoln Civic Trust, it functions as a distinguished venue, fostering community engagement and hosting a diverse array of public and private gatherings within its ancient walls. Its presence on Sibthorp Street, away from the main tourist thoroughfare, underscores its authentic connection to the historic Wigford area.

Within its medieval confines, the atmosphere is one of quiet grandeur. The cool touch of Lincolnshire limestone, used in its original construction, speaks of centuries past, while the faint scent of aged timber permeates the air. Visitors can observe the impressive blind arcade and the remains of a large fireplace, architectural details that hint at its former life as a high-status domestic complex, possibly a royal residence. A unique feature is the visible section of the Roman Fosse Way, preserved beneath a glazed covering, offering a tangible link to millennia of history.

The Guildhall complex includes a courtyard area, historically a natural meeting point, and the south range, which once served as a joiner's premises and later as St Peter at Gowt's Parish Hall. While its venerable age and character mean accessibility can be limited in certain areas, efforts are made to accommodate visitors. For events, arrangements for refreshments are typically part of the curated experience, complementing the historical setting.

Throughout the year, St Mary's Guildhall hosts a varied programme, from intimate musical evenings and celebratory wedding receptions to educational tours and wellness sessions like Tai Chi. It also plays a central role in larger civic events, notably as a key location for the annual Lincoln Medieval Christmas Market, drawing visitors to experience history brought to life.