Saint John's Cathedral in Antigua and Barbuda is a significant landmark known for its impressive baroque architecture and stunning twin towers. It is easily accessible in Saint John’s and can be visited either independently or as part of a guided tour, which might provide enriched historical context. The cathedral is generally open year-round, but it's best to visit during the drier months from December to April to avoid the hurricane season. There is typically no admission fee, but donations are appreciated to help with maintenance. Visitors should allocate about an hour to fully appreciate the cathedral’s interior features and tranquil surroundings. Modest attire is recommended out of respect for its religious significance. The site is centrally located, making it easy to combine with a day exploring other attractions in the city.