Mexico’s environmental authority has moved against Royal Caribbean’s proposed Perfect Day project in Mahahual, turning a high-profile tourism plan into a test of coastal development rules. The decision follows weeks of public pressure, technical review, and concern over reef and coastal ecosystems in southern Quintana Roo. The project had been promoted as a major cruise destination, but the federal review now leaves its future in doubt and raises new questions about how Mexico weighs private investment against environmental limits.
Semarnat says Perfect Day will not be approved
Mexico’s environmental authority said it will not approve Royal Caribbean’s Perfect Day tourism project in Mahahual, Quintana Roo, citing environmental concerns in the coastal area.
The decision was announced by Alicia Bárcena, head of the Ministry of Environment and Natural Resources. She said the project would not receive approval from the federal agency.
The announcement followed a public review of the project’s possible impacts. President Claudia Sheinbaum had said one day earlier that the federal government would not allow work that put Mahahual’s ecological balance at risk.
The project had been planned for Mexico’s Caribbean coast, near reef and coastal ecosystems that have drawn concern from residents, environmental groups, and federal officials.
A major cruise project now faces a federal block
Royal Caribbean had promoted Perfect Day Mexico as a large private destination scheduled to open in fall 2027.
The company’s promotional material described more than 30 waterslides, more than 6 pools, 3 beaches, 12 dining spots, and 24 bars. The project was part of a broader push to expand cruise tourism in southern Quintana Roo.
Semarnat’s decision changes the project’s path. The agency had previously said the plan was still under environmental evaluation and did not have authorization for development, construction, or operation.
The review included the project’s Manifestación de Impacto Ambiental, the federal process used to evaluate environmental effects before a project can move forward.
Environmental concerns drove the decision
The Mahahual project drew objections over its possible effects on coastal and marine ecosystems.
Environmental groups warned about pressure on mangroves, reef areas, coastal vegetation, water systems, and local infrastructure. Semarnat also said earlier this month that it was reviewing projected infrastructure, mitigation measures, and possible impacts on coastal and marine ecosystems.
For foreign residents who follow development issues in Mexico, the case shows how large tourism projects can depend on several layers of approval. Local land use, federal environmental review, and public pressure can all affect whether a project advances.
Royal Caribbean said it had not yet received information on the decision. Bárcena also said the company may seek to withdraw from the project, though the company’s final position was not immediately clear.
The federal announcement does not settle every possible legal or business question. It does make clear that Semarnat does not intend to authorize the project as presented.





