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Contact Semester at Sea

If you don’t see what you’re looking for on our website,  don’t hesitate to send us an e-mail or give us a call.

Upcoming Holiday Hours

(All time adjustments are in Mountain Time)

Fall Break

  • Wednesday, November 25: Office Closes at Noon
  • Thursday, November 26: Office Closed
  • Friday, November 27: Office Closed

Winter Break

  • Wednesday, December 23: Office Closes at Noon
  • Thursday, December 24: Office Closed
  • Friday, December 25: Office Closed

New Year’s Day

  • Thursday, December 31: Office Closed
  • Friday, January 1: Office Closed


Business Hours

Summer/Fall Business Hours 2020:

Monday – Thursday

8:00 am – 5:00 pm Mountain Time



  • Toll-Free: (800) 854-0195
  • Phone: (970) 238-8415
  • Fax: (970) 999-8846

From May 1, 2020 to November 30, 2020,  ISE staff will work a modified schedule and our office will be closed on Fridays.  All voicemails and emails received on Friday will be returned once our team returns to the office the following week. Thank you for your flexibility!

Notice: ISE staff are working remotely. 

Due to the COVID-19 pandemic and in order to ensure our staff and their families remain safe and healthy, as of March 18, 2020 all ISE home office staff will be working remotely. Unless otherwise noted, our staff will work remotely through December 31, 2020.

You may continue to contact our staff via the numbers below or you may contact us via email. All items mailed to our office will still be received and processed, however there may be some delays due to limited on-site staffing.




Mailing Addresses

Physical Address:

Semester at Sea
2243 Centre Ave.
Suite 300
Fort Collins, CO 80526

Mailing Address:

Semester at Sea
Colorado State University
Campus Delivery 1587
Fort Collins, CO 80523-1587

Student Help Center

Visit our online help center 24/7 to search for answers to frequently asked questions.

Contact by Department

Prospective and Admitted Students

Contact an Admissions Counselor or send an e-mail to:

Confirmed/Deposited Student Voyagers

Contact the Student Support Services Team

Lifelong Learners

Confirmed Faculty and Staff

Advancement and Alumni Affairs

Marketing, Communications, and Public Affairs


Each semester, the Institute for Shipboard Education receives requests from newspapers, magazines, and other media for information on the Semester at Sea program. If you would like to inform your hometown, college, or Greek organization about your participation on Semester at Sea, please fill out the Press Release Request Form.

Human Resources (Employment/Voyage Hiring)

General Inquiries

24-Hour Emergency Answering Service

Please note, this phone number is only listed and active immediately before, during, and after active Semester at Sea voyages. This line is only to be used for emergencies that cannot wait until normal business hours of M-F 8:00 a.m. – 5:00 p.m. Mountain time. If it is not an emergency please contact 800.854.0195 or 970.238.8415.


Privacy Policy

The Institute for Shipboard Education (together with its parent, affiliates, successors and assigns, “ISE” or “we”) respects the privacy of visitors to the website (the “Site”). ISE collects and processes certain information from students, staff, faculty, and other applicants and participants of the Semester at Sea program. Our Privacy Policy is designed to assist you in understanding how we collect, use and safeguard the personal information you provide to us, and to assist you in making informed decisions when using the Site. This Privacy Policy only covers information collected at the Site, and does not cover any information collected at any other website or offline by ISE (unless specifically stated).

Learn More about our Privacy Policy.