A type of timeshare ownership in which usage rights attach to a specific week of the year each year in perpetuity.

Referring to the interval calendar, the purchase of a fixed week property assures the owners that they will always have the same week each year; i.e., week 52 or week 35, etc. Alternatively, an owner of a floating week may choose another week within their season allocation. A floating week owner may also elect to upgrade or downgrade to another sea [..]