Is the Sistine Chapel in the Vatican Museums?

Yes, you must actually walk through a portion of the Vatican Museums in order to see the Sistine Chapel. It will take roughly 30 minutes to walk straight to the Sistine Chapel after clearing security. Before entering the Sistine Chapel, there are fast-track excursions that include brief visits to the Hall of Tapestries and the Hall of Maps. These excursions last around two hours and include line-free access to St. Peter's Basilica.