Due to the long-term United States government shutdown in January, visa processing times may be longer than usual. It is recommended to start the visa process as early as possible to ensure one is received in time for the event.



New Orleans Marriott
555 Canal Street
New Orleans, Louisiana 70130

Air Travel

Louis Armstrong New Orleans International Airport (MSY) is serviced by major airlines such as Alaska Air, American Airlines, British Airways, Condor, Delta, and Air Canada. The airport is located approximately 15 miles or 25 minutes from the New Orleans Marriott on Canal Street.


A typical Taxi or Uber fare from the airport to the hotel is approximately $33-$50 USD one-way.


The average high temperature is 78° F (25 ° C) in New Orleans during April. Average lows are 59° F  (15° C).

About New Orleans, USA

New Orleans is like no other city in the USA and arguably the most unique. It’s famous for it’s Mardi Gras celebrations, jazz music, Creole cuisine and rich history.

A visit to New Orleans isn’t complete without a tour of Bourbon Street or the French Quarter. Music festivals and performances are abundant and range from the great jazzers like Wynton Marsalis, to singers and performers like Dr. John and Irma Thomas.

If you are excited by new dining experiences, you’ll be delighted by the Gala dinner at Antoine’s – one of New Orleans’ most infamous restaurants.

Other dining options to discover while you are taking in the sights include Restaurant August, Brennan’s Restaurant, K-Paul’s Louisiana Kitchen and Commander’s Palace notable for its jazz brunch and Creole fare.

New Orleans is sure to invigorate, captivate and motivate you. Discover more at www.neworleans.com.

Visa Information

IMPORTANT: We strongly advise you to give yourself plenty of time for your visa application to the United States.
It is important to determine if you require a visa to enter the United States and plan ahead as the process can be lengthy. The below information will assist you with this application, however please also contact your local US embassy to ensure you have the proper documentation.

Applying for a Visa

Delegates are responsible for ensuring they are aware of their own visa requirements dependent on their passport type. To find out what visa you require to enter the US please click here.

Visa Waiver Program

You may be eligible to travel to the US under the Visa Waiver Program. For more information on what countries are eligible to apply via this program please click here

Please note you must have an electronic passport in order to apply under the Visa Waiver Program.

Applicants who hold an Iranian Visa

Please be aware that if you currently hold an Iranian visa in your passport your visa application will be a longer process and you will be required to attend an interview at your local US Embassy. To find out what visa you require to enter the US please click here

Visa Invitation Letter

The SubOptic2019 Registration Team will be able to issue visa invitation letters to registered attendees only. Please ensure you have completed your registration before applying for a visa letter. Obtaining visas are the responsibility of the registrant. An invitation letter issued by the SubOptic2019 Registration Team does not guarantee that your visa application will be accepted. SubOptic2019 is not liable for any expenses incurred by the registrant for a visa application.

Request Invitation Letter