At Grand Residences by Marriott, the pet policy may vary depending on the specific location and any additional regulations that may be in place. Generally, many Marriott properties do have certain restrictions regarding pets, such as limits on size, breed, and number of pets allowed. It is advisable for guests to verify the pet policy at the particular Grand Residences location they are considering. Additionally, there may be fees associated with bringing pets, and it is important to ensure that pets are well-behaved and suitable for a residential setting. For the most accurate and updated information, guests are encouraged to check the specific details available on the official Grand Residences by Marriott website. This will provide comprehensive guidance on their pet policies and any related inquiries.