HOTEL AND TRAVEL INFORMATION

Sigma’s 48th Biennial Convention will take place at the JW Marriott in Indianapolis, Indiana, USA, from 8‑12 November 2025. Please read the following information to help ensure a safe trip.

Hotel Information

Special guest room pricing for this event has been arranged at the JW Marriott Indianapolis. Room availability and special rates are limited, so make your reservations now by clicking the link below. If you are calling in your reservation, be sure to mention Sigma's 48th Biennial Convention.

Make your reservations »

PLEASE NOTE:

Guest rooms are subject to applicable state and local taxes.
Guest room reservations are available on a first-come, first-served basis.

JW Marriott Indianapolis (The Host Hotel)

Travel Information

Please read the following travel information to help ensure a safe and enjoyable trip.

Transportation

Airports

Indianapolis International Airport

Ground Transportation

There are many options available for transportation to and from the airport, including shuttles and taxis. Uber and Lyft also service the Indianapolis area.

Event Attire

The attire for this event is business casual.

Information for International Attendees

View information regarding entry requirements to the USA, customs, foreign consulates, and transportation security from the US Department of State.

Emergencies

In emergency situations, you can reach local police, ambulance service, fire department, and other emergency services by calling 911.

Time Zones

The time zone in Indianapolis, Indiana, is Eastern Standard Time (EST).

Visiting Indianapolis

General Information

Visit Indy website

Local Area Maps

Money and Tipping

The legal tender in the United States is the United States Dollar (USD)
Tipping and forms of payment

Electricity and Voltage

Power plugs and sockets

Traveling Abroad

Visit your country’s government website for information about and recommendations for traveling to the USA. When traveling outside your home country, it is recommended that you register with your embassy or consulate by notifying that office of your travel dates and destination.

Visa Letter Request

Your request will be processed within 10 business days. Requests for confirmation letters must be submitted by 9 October 2025. Requests for mailed letters will be reviewed, and additional fees will apply. The confirmation letter does not guarantee that you will receive a visa. Confirmation letters include only the event title, the dates, the location, the payment confirmation of registration fees, and verification that you are a presenter, if applicable.

If you are denied a visa, we will provide you with a full refund as long as we are notified before Thursday, 9 October 2025. Attendees are advised to apply for a visa as early as possible.

Submit your Visit Letter Request Application »

Visiting Indianapolis

Indy: A city rich in arts and culture, history and heritage, time-honored traditions, and endless possibilities. Explore a variety of museums, performing-arts venues, ethnic eateries, and defined cultural districts near the JW Marriott Indianapolis.

Get the most out of your time in Indy with these travel tools.