Mexico Approved a Billion Dollar Water Park on Indigenous Maya Land and the Environmental Consequences Could Be Irreversible

Mexico Approved a Billion Dollar Water Park on Indigenous Maya Land and the Environmental Consequences Could Be Irreversible

Mahahual is a small fishing village on the southern Mexican Caribbean coast of Quintana Roo. Its population sits at roughly 2,600 people and its shoreline runs alongside the Mesoamerican Barrier Reef, the second largest coral reef system in the world. Royal Caribbean has chosen this location to build “Perfect Day,” a billion dollar water park complex that would receive up to 20,000 visitors per day when it opens in 2027.

According to El País, the project has already triggered legal challenges, environmental shutdowns and a conversation about who gets to decide what happens to one of Mexico’s most irreplaceable coastal ecosystems.

A Coastline That Belongs to More Than Tourism

The Caribbean coast of Quintana Roo is one of the most ecologically and historically layered territories in Mexico. The Mesoamerican Barrier Reef has been a living structure for thousands of years, sustaining roughly 300 species in the Mahahual area alone. The mangrove ecosystems lining this coast function as natural buffers against the hurricanes that regularly threaten the Yucatan Peninsula, and their destruction leaves coastal communities dangerously exposed.

This is also Maya territory. The broader region of Quintana Roo remains home to a substantial indigenous Maya population whose relationship to this land and sea predates the Mexican state by centuries. The rapid commercialization of this coastline has already altered the social and cultural landscape of communities whose identities are tied to the reef, the jungle and the sea in ways that investment prospectuses rarely acknowledge.

A Company Moving Fast and a Government That Waved It Through

Royal Caribbean acquired Puerto Costa Maya in July 2025 through its subsidiary Promociones Turísticas Mahahual, paying over 221 million dollars to take administrative control of the port. The planned complex would cover approximately 107 hectares and include over 30 water slides described as the tallest in Latin America, six pools, three beaches, 12 restaurants and 24 bars.

President Claudia Sheinbaum announced the project in October 2024 alongside a series of major foreign investments, with then Economy Secretary Marcelo Ebrard presenting it as evidence of international confidence in the new administration. When pressed about environmental concerns this week, Sheinbaum said the reef’s protection was the priority and that the project could only proceed under strict conditions set by Semarnat, Mexico’s environmental authority, which confirmed this week that Perfect Day still has no environmental authorization of any kind.

In January, the Federal Attorney for Environmental Protection shut the project down temporarily after documenting illegal construction across 17,115 square meters of coastal mangrove habitat, with workers carrying out filling, compaction and demolition without the required federal authorization.

Legal Fights and a Community That Has Not Given Up

Greenpeace submitted a document of over 100 pages to Semarnat in February identifying what the organization describes as serious inconsistencies in the company’s environmental impact assessment, arguing that mangrove destruction would leave the coast vulnerable to hurricanes and devastate the broader ecosystem.

The legal fight has been led by the organization Defendiendo el Derecho a un Medio Ambiente Sano, known as DMAS, which found that Royal Caribbean obtained its land use change permit through a process that bypassed the citizen participation procedures required by state law. The change was approved by the municipal council and municipal president in what attorney Irma Morales described as an overnight fast track, with the authorizing document published on December 5, 2025. DMAS filed four injunction lawsuits, three of which were dismissed. The fourth obtained a temporary suspension blocking construction permits, but that suspension was overturned after courts ruled the organization lacked standing because it does not reside in Mahahual.

Semarnat has yet to issue a final ruling on the environmental authorization, and Greenpeace has made clear it intends to keep pressure on the agency for as long as that process continues. For the people of Mahahual, the outcome will determine what their coastline, their community and their daily lives look like for generations.

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