The Montreal Aquarium project has been placed on indefinite hold after the venture’s promoter and prospective operator pulled out, city officials confirmed Monday.

The development, originally slated for the Royalmount district of the city, was intended to become a major tourist attraction featuring marine exhibits, educational programs and waterfront amenities.

According to the announcement, the withdrawal of the project's primary backer left a financing gap that could not be covered, prompting the decision to suspend all work until a new partner can be secured.

Construction had not yet begun, and no contracts for building or exhibit design had been finalized, meaning the pause does not affect any existing labor agreements or site preparations.

City officials said the Royalmount area remains a priority for development, but the aquarium proposal will remain dormant until a new consortium demonstrates the financial capacity and operational expertise required for such a large‑scale attraction.

The municipality will continue to monitor interest from potential investors and may revisit the project in future planning cycles, but no timetable has been set for when, or if, the aquarium will move forward.

With the hold classified as indefinite, the site earmarked for the aquarium remains vacant, and municipal planners have indicated that the land will stay reserved for a future attraction should a suitable partner emerge.

The pause also delays any projected employment opportunities that feasibility studies had linked to the aquarium, including construction jobs and permanent positions for marine staff and educators.

City officials reaffirmed their commitment to expanding cultural and recreational amenities in Montreal, noting that the aquarium concept remains on the list of potential projects to be revisited when conditions allow.