Hitchhike Across the Galaxy

42nd IAGSDC Convention

July 3-6, 2025


Room Reservations Open on July 15th, 2024

San Francisco Marriott Marquis

780 Mission Street
San Francisco, California, USA, 94103
Tel: +1 415-896-1600

Instantly recognizable for its distinctive, postmodern high-rise appearance, our hotel in downtown San Francisco channels the vibrant cultures of the SoMA neighborhood and reflects the creative energies of the City by the Bay. Nearby, you’ll discover popular attractions like the Chase Center, Oracle Park, Union Square, world-class restaurants, shopping, museums and more. Then retreat to fully renovated guest rooms and suites outfitted with plush bedding, smart TVs, and mini-refrigerators.


The San Francisco Marriott Marquis is leading the way in sustainability and has eliminated single-use plastic water bottles, showcasing our dedication to environmental stewardship. This initiative sets a positive example for the hospitality industry and inspires eco-conscious travelers worldwide. Additionally, our hotel is proud to be recognized as the largest certified Green Business in the city and the third largest in the state, reflecting our commitment to sustainability and environmental leadership nationally.

Room Types and Rates

Standard Room

1 King Bed or 2 Double Beds

Single / Double: $155
Triple: $165
Quad: $175

City View Room

1 King Bed or 2 Double Beds

Single / Double: $180

2-Bay Hospitality Suite

1 King Bed

Single / Double: $230

Executive King Suite

1 King Bed

Single / Double: $275
Triple: $285
Quad: $295

Reserve Your Room Starting July 15th

Once the room block opens, you can book and manage your hotel reservation online using the button below. The group rates will be automatically applied. If you have any questions or encounter any issues, please use the Contact page to reach out to us for assistance.

Check-in Time: 4:00pm

Check-out Time: 11:00am

Cancellation Policy: Cancellation deadline is 72 hours prior to arrival; otherwise one night’s room/tax will be charged.