What is Interval International?
Interval International (II) is the second largest timeshare exchange company and is affiliated with over 1,800 timeshare resorts. When you become a member of II, you can exchange your vacation credits for stays at any II resort.
How does Interval International work?
You can join II by purchasing a one-year membership and have the membership linked to your WorldMark account. Once a membership has been purchased, you can contact II by phone to check availability and schedule reservations at 877-678-4400, or book online at IntervalWorld.com.
Once a reservation is confirmed, the appropriate number of vacation credits will be deducted, and a WorldMark housekeeping fee will be assessed to your WorldMark account. Reservations booked through II that exceed your available credit balance will utilize affiliate rental to complete the reservation. Exchange fees apply to each reservation confirmed with II. Please see the current rates and fees page for up-to-date pricing.
Frequently asked questions about Interval International.
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What is a Flexchange Reservation?
Flexchange is an Interval International term for last-minute reservations. Owners book Flexchange reservations through II at a cost of 4,000 WorldMark vacation credits per reservation regardless of location, season or unit size. Flexchange reservations are based on availability and must be booked between 59 days and 24 hours prior to the requested arrival date. As a result of the short-term booking window, high-demand travel times like holidays and school vacations are usually not available through Flexchange.
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Can I confirm a reservation at an II resort for a guest?
If you would like a guest to use your exchanged week with II, you must purchase a Guest Certificate from II once you've received your reservation confirmation and add a guest name to the reservation.
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Is II affiliated with WorldMark by Wyndham?
WorldMark was previously affiliated with II. Although the affiliation agreement with II has expired, WorldMark by Wyndham continues to service WorldMark owners who are II members with external exchanges.
