From passporter.com:
Shore excursion reservations can now be made online up to 75 days before embarkation (90 days for
Castaway Club members and 105 days for Concierge guests). Your cruise must be paid in full in order to reserve online.
By my calculations

(counting backwards on a calendar) that equals:
75 days -- Tuesday, June 20th (this is me

)
90 days -- Monday, June 6th (Tae Ja, this is you, right?)
105 days -- Sunday, May 21st
Of course, I have no intention of waiting for Disney to make my reservations! I'm gonna book through dolphin swims themselves, or Shore Trips, depending on the
travel insurance.