No, the Moorish Castle (Castelo dos Mouros) in Sintra is not included for free with the Lisboa Card in 2026, but it does offer a discount (typically 10–15%) on the entry fee. While the Lisboa Card provides free access to many top monuments in Lisbon itself—such as the Jerónimos Monastery and the Belém Tower—its benefits in Sintra are largely limited to free train travel from Lisbon and small discounts at the major parks and palaces. If you plan to visit the Moorish Castle along with the Pena Palace and Quinta da Regaleira, it is a peer-to-peer "pro-tip" to book a "Sintra Pass" or individual tickets online in advance. Using the Lisboa Card for your train journey to Sintra will save you the transport cost, but you will still need to pay for the castle entry. Always present your card at the ticket office to ensure you receive the current percentage-based discount available for cardholders.