With 3.3 million liters of water, 23 thousand square meters, and more than 300 species, AquaFoz ranks among the largest aquariums in South America.

Written by Valdemar Medeiros

Published on 13/06/2026 at 16:17

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One of the largest aquariums in Latin America emerges next to the Iguazu Falls with 3.3 million liters of water and a structure designed to take tourists from rivers to the ocean

Foz do Iguaçu was already internationally recognized for the Iguazu Falls, but now it has gained a new giant of Brazilian tourism. According to AquaFoz and the Grupo Cataratas, the enterprise gathers 3.3 million liters of water, 23 thousand square meters of built area, and more than 300 species, establishing itself as one of the largest aquariums in South America.

The new complex was conceived to go beyond the traditional contemplative experience. According to AquaFoz, the immersive journey takes visitors through different aquatic environments, connecting the water paths from the Iguaçu and Paraná rivers to the ocean. The Grupo Cataratas states that the project was structured to unite tourism, research, education, and conservation in a single attraction.

AquaFoz joins the group of the largest aquariums in South America

The size of the enterprise is what first draws attention. According to AquaFoz, the tanks total 3.3 million liters of water distributed in a structure of 23 thousand m², with about 300 different species. These numbers place the aquarium among the largest projects of its kind on the continent.

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More than 300 species occupy freshwater and marine environments

According to AquaFoz, the proposal was to create a route that presents visitors with different aquatic ecosystems in sequence, starting with the Paraná and Iguaçu rivers and advancing to marine environments. The project brings together more than 300 species, combining freshwater and saltwater animals in thematic and immersive spaces.

One of the largest aquariums in Latin America emerges next to the Iguaçu Falls with 3.3 million liters of water and a structure designed to take tourists from rivers to the ocean — Photo: AquaFoz/ Kiko Sierich

This design transforms the visit into something broader than a simple visit to exhibition tanks. The aquarium was structured to show how distinct aquatic systems are connected and how Brazilian biodiversity relates to broader ecosystems.

In practice, this gives AquaFoz its own identity within national tourism. Instead of relying solely on visual impact, the space tries to build a continuous narrative about rivers, flooded forests, aquatic fauna, and the ocean.

Grupo Cataratas project combines tourism, research, and conservation

According to Grupo Cataratas, AquaFoz was born with three central pillars: entertainment, research, and environmental education. The proposal follows a trend already observed in large contemporary aquariums, which operate not only as a tourist attraction but also as a space for biodiversity conservation and the dissemination of scientific knowledge.

This definition helps explain the institutional positioning of the project. The aquarium was not conceived just to increase tourist flow in Foz do Iguaçu but also to strengthen the city’s image as a destination linked to nature, science, and environmental protection.

As Grupo Cataratas also operates other relevant attractions of sustainable tourism in Brazil, AquaFoz is part of a broader strategy of integration between visitation, conservation, and educational experience.

AquaFoz extends the stay of tourists in Foz do Iguaçu

The location of the development is one of the factors that most strengthens its tourism potential. According to Grupo Cataratas and AquaFoz, the aquarium is located on Avenida das Cataratas, in an area close to the Iguaçu National Park, which facilitates combining the two attractions in a single trip.

This positioning enhances Foz do Iguaçu’s ability to retain visitors for longer and diversify the tourist experience beyond the waterfalls. Instead of competing with the Cataratas, AquaFoz acts as a complement, offering an experience centered on the underwater universe that usually remains invisible to the visitor.

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The result is a city with two large-scale attractions supported by nature, but with different proposals. On one side, the monumental force of the Cataratas. On the other, the aquatic biodiversity organized in one of the largest aquariums in South America.

Foz do Iguaçu gains a new giant of Brazilian tourism

AquaFoz reinforces the transformation of Foz do Iguaçu into an increasingly diversified tourist hub. With 3.3 million liters of water, 23,000 m², and more than 300 species, the complex positions itself among the major South American aquariums and expands the reach of local tourism beyond traditional itineraries.

The strength of the project lies precisely in this combination of scale, location, and institutional proposal. Visitors who come to see one of the greatest natural wonders of the planet now also find a large-scale attraction dedicated to aquatic life, environmental education, and conservation.

In the end, AquaFoz does not attempt to replace the prominence of the Iguaçu Falls. It enhances this prominence, adding a new reason for Foz do Iguaçu to remain at the center of Brazilian and Latin American tourism.

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With 3.3 million liters of water, 23 thousand square meters, and more than 300 species, AquaFoz ranks among the largest aquariums in South America.

One of the largest aquariums in Latin America emerges next to the Iguazu Falls with 3.3 million liters of water and a structure designed to take tourists from rivers to the ocean

AquaFoz joins the group of the largest aquariums in South America

More than 300 species occupy freshwater and marine environments

Grupo Cataratas project combines tourism, research, and conservation

AquaFoz extends the stay of tourists in Foz do Iguaçu

Foz do Iguaçu gains a new giant of Brazilian tourism

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With 3.3 million liters of water, 23 thousand square meters, and more than 300 species, AquaFoz ranks among the largest aquariums in South America.

One of the largest aquariums in Latin America emerges next to the Iguazu Falls with 3.3 million liters of water and a structure designed to take tourists from rivers to the ocean

AquaFoz joins the group of the largest aquariums in South America

More than 300 species occupy freshwater and marine environments

Grupo Cataratas project combines tourism, research, and conservation

AquaFoz extends the stay of tourists in Foz do Iguaçu

Foz do Iguaçu gains a new giant of Brazilian tourism

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

In just one cast, fishermen are surprised to capture 14,096 mullets in Bombinhas and close a historic season with 58,000 fish; scene recorded in the Santa Catarina paradise marks the last day of the 2026 season.

Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.

Greek island offers free housing for volunteers, but there’s a condition: you need to take care of rescued cats.

Motorcyclist sees excavator arriving at the edge of a river in Bosnia, calls neighbors in minutes and turns a hydroelectric project into a resistance lasting more than 10 years with five expired concessions.

Greece’s old power grid came under suspicion after 15 major fires, 51,000 acres burned, and low-hanging cables crossing dry areas like clotheslines on windy days.

Indigenous teenagers paddled nearly 500 km by kayak along the Klamath River after 4 dams were removed, salmon returned to ascend the waters, and the United States celebrated the largest removal of this kind in its history.

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Luxembourg wants to transform areas near its highways into a new front for solar generation, using road edges, noise barriers, parking lots, and side strips as surfaces for installing photovoltaic panels.

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