Courtyard by Marriott Boston Marlborough is proud to welcome New England Chapter of the International Association of Special Investigation. A block of guest rooms has been established May 1st - May 3rd, 2023 (Monday and Tuesday evening only). Please contact the Hotel directly to book outside of these dates. Reservations accepted up until 12:00am Monday, April 17th, 2023. ***PLEASE NOTE THE FOLLOWING***: Discounted group guest room rate does NOT include breakfast. Individual cancellation policy is 24-hours prior to arrival date. We look forward to welcoming you to Courtyard by Marriott Boston Marlborough!