45th Biennial Convention

Yokohama, Japan, July 30-August 2, 2018

The 45th Biennial Convention will be held at the Pacifico Yokohama. Its beautiful exterior, designed to bring to mind ocean waves, wind, and sunlight, has become the new symbol of the historic and cosmopolitan city of Yokohama. The convenient location, world-class facilities and superb surroundings of water and greenery will create an outstanding environment for our convention.

Register Now


Plan Your Soroptimist Getaway

Yokohama, Japan is opening its arms to our wonderful Soroptimist members. Don't miss out on this tremendous opportunity to meet with like-minded individuals in one of the world's most unique settings. Find everything you need to help Plan Your Trip, including registration fees, transportation, hotel accommodations and
special event details!

Preliminary Schedule

Get a sneak peek at what's in store for you at convention! Also notice the NEW and DIFFERENT program timeline. Convention will start on a Monday night and end on a Thursday afternoon.

Download Preliminary Schedule

Registration Policies

Online registration is open until Thursday, June 28 (23:59 Japan Standard Time). To save 25 percent, register by our early registration deadline, Wednesday, May 30 (23:59 JST). Before registering, be sure to read the registration policies, which outline fees, important dates and more.

Download Registration Policies

Convention Details


The Intercontinental Yokohama Grand Hotel is the official convention hotel. Room blocks are available in several hotels throughout Yokohama. Review the hotel list to get an idea of where to stay, as you will be asked to reserve your hotel through the online platform when registering for the convention. Rooms must be reserved by June 28. Please note: Hotel reservations should be made through the convention registration site.

Download Hotel List


What's a trip to Japan without a stroll through an authentic Japanese garden? Or perhaps exploring Mt. Fuji suits your more adventurous side? Whatever your personality, check out amazing opportunities to discover Japan before and after the convention.

Download Tour List

Haiku Contest

Prior to convention, we want to collect your Haiku and Senryu creations—both of which are forms of Japanese poetry. We will collect the poems, randomly select a few for presentation in Yokohama, and post all in one place as a memory of our meeting in Yokohama in 2018.

Download Contest Flyer

Laurel Society Celebration

Prepare to party like it's 1969! Dance the night away at this exclusive "Laurel Society members only" event. It's our way of saying "Thank You" to the incredible Laurel Society members. If you're not currently a member, now is the time to join. Don't miss the fun!

Download the Celebration Invitation


Call to Convention Documents

Call to Convention Letter

We invite a delegate from each club, and all other interested members, to join us as we embrace the importance and power of Stars, Dreams & Wishes.

Download Convention Letter

Governance Discussion Session

The SIA board is bringing two issues to the attention of all clubs: election of the federation board of directors and electronic balloting for SIA President elect. Check out the briefing paper that will guide the governance discussion.

Download Governance Discussion Session

Convention Delegates Handbook

Through payment of the $495 convention fee, all clubs in good standing are entitled to send one delegate to take part in the business of the federation at each convention. The job as convention delegate is a significant one. This handbook provides valuable information on your role as a delegate.

Download Delegates Handbook


Five Reasons to Save the Date

Don't miss out on this once in a lifetime opportunity!

Download PDF

Join Us in Yokohama!

Please join us Monday, July 30 – Thursday, August 2 as we celebrate our stars, explore our dreams and make wishes for the future. 

Register Now!