At full build-out, the $1 billion resort will offer 10,000 bedrooms across a variety of properties.
Travel agents said guests will learn to live without Magical Express when the service ends in 2022.
The 14-story hotel will feature 349 rooms, including 149 suites that offer conference-style seating.
The 2,050-room Dockside Inn & Suites was supposed to open in March.
The open jobs include positions for which SeaWorld had recently permanently laid off furloughed employees.
Additional notices filed with the state of Florida bring the total number of affected workers to 2,306.
Videos obtained by WKMG-TV offer a glimpse at Disney World’s abandoned Discovery Island when police searched for a trespasser in April.
The layoffs affected Loews Portofino Bay Resort, Cabana Bay Beach Resort, and Universal's Hard Rock.
Theme park news: Lawsuit alleges ‘dysfunctional construction mess’ at Disney / Universal ticket changes
The suit alleges the discovery of fire code violations was followed by misogynistic comments and refusals to cover increased costs from Disney.