Visiting the Aquarium de la Réunion in Saint-Gilles

The Aquarium de la Réunion in Saint-Gilles-les-Bains houses approximately 500 fish species within a facility that cycles 600,000 liters of seawater daily to maintain its inhabitants. Located directly on the marina, this educational center has hosted more than two million visitors since its opening in 2000 and remains the primary location for observing the island's marine biodiversity without entering the water. The facility focuses exclusively on the ecosystems of the Mascarene Archipelago, showcasing everything from the shallow lagoons to the steep volcanic drop-offs characteristic of the Réunion coastline.

Underwater Diversity and Local Habitats

Coral Reefs and Volcanic Substrates

The exhibits are divided into twelve thematic tanks that replicate the specific geological and biological conditions of the Indian Ocean. Unlike many generic international aquariums, this site emphasizes the relationship between the island's volcanic origins and its marine life, with tanks featuring basaltic rock formations similar to the underwater cliffs found off the East Coast. You can observe approximately 200 species of coral, which provide the essential structure for the colorful resident fish like the Picasso triggerfish and various species of butterflyfish.

The walk through the aquarium generally takes about 60 minutes—a relatively short duration that might surprise those used to larger mainland facilities—but the density of endemic species makes every minute feel substantive. One of the highlights is the large shark tank where blacktip reef sharks and rays glide over the sandy bottom. Most of the information panels inside the facility are written in French, so having a translation app ready on your phone or requesting an English booklet at the entrance will significantly improve the depth of the experience.

Conservation and Scientific Research

Beyond its role as a tourist attraction, the facility functions as a hub for marine research and participated in the Objectif 1000 expedition to study organisms living at depths exceeding 1,000 meters. This scientific grounding is visible in the educational displays that explain the fragility of the reef ecosystems and the impact of climate change on local coral bleaching events. The aquarium frequently collaborates with organizations like Kelonia to support the preservation of the marine environment surrounding the island.

Staff members are often available to discuss the specific behaviors of the 2,000 animals currently in residence, and their expertise adds a layer of value that isn't always captured in the static signage. The cooling air conditioning inside the building provides a necessary reprieve from the intense Saint-Gilles humidity (often exceeding 80 percent), making it a popular choice for an afternoon break when the outdoor heat peaks. You will find that the dim lighting and the ambient background recordings of whale sounds create a focused, quiet atmosphere that contrasts sharply with the activity of the nearby pleasure port.

Practical Tips for a Successful Visit

Transport and Parking at the Marina

Getting to the Aquarium de la Réunion is straightforward via the N1 highway, but the final approach into the Port de Plaisance requires some foresight. If you arrive by car, the marina parking lot fills up rapidly on weekends and during school holidays; utilizing the pedestrian footbridge from the Saint-Gilles town center (accessible near the Case à Pain bakery) is a much more efficient strategy to avoid circling for a spot. For those using public transport, the Cars Jaunes bus line stops at the Port de Plaisance station, which is a five-minute walk from the ticket office.

The location on an artificial island in the center of the marina means you are surrounded by local cafes and dive shops, allowing for a full day of maritime activities. I recommend visiting in the late afternoon around 4:30 PM when the morning crowds have dispersed and the lighting in the coral tanks takes on a different quality as the sun begins to set over the western horizon. Note that flash photography is strictly prohibited to protect the vision of the fish, though standard photography is permitted throughout the self-guided tour.

Admission Fees and Timing

Ticket prices are currently set at 9.90 euros for adults (ages 13 and up) and 6.90 euros for children between the ages of 4 and 12. Seniors over 60 years old pay a reduced rate of 8.90 euros, while infants under the age of 4 are admitted free of charge. These rates are competitive for the region, especially considering the facility is privately operated and receives no major public subsidies for its daily maintenance.

The ticket office closes at 5:30 PM sharp, exactly thirty minutes before the 6:00 PM closing time, so aim to arrive no later than 5:00 PM if you want to see everything without rushing. While the facility is accessible for visitors with reduced mobility, the narrow corridors can feel tight during peak hours between 11:00 AM and 2:00 PM. Choosing a weekday visit usually results in a much more intimate experience where you can stand in front of the larger tanks for extended periods without interruption.

Frequently Asked Questions

What are the current ticket prices for the Aquarium de la Réunion?

Adult tickets for those aged 13 and older cost 9.90 euros, while children aged 4 to 12 are charged 6.90 euros. Seniors can enter for a discounted rate of 8.90 euros and toddlers under the age of 4 visit for free.

How much time should I set aside for a full visit?

Most visitors complete the self-guided circuit in approximately 60 to 90 minutes. This timeframe allows you to view all twelve thematic tanks and spend time at the interactive educational displays.

Is there dedicated parking available at the aquarium?

There is no private lot specifically for the aquarium, but visitors can use the public parking spaces at the Saint-Gilles Marina. During busy weekends, it is better to park in the Saint-Gilles town center and use the pedestrian footbridges to reach the facility.

Are the information signs available in languages other than French?

Most of the permanent wall displays are in French, but the aquarium provides educational booklets in English, German, Spanish, and Chinese. You should ask for these at the reception desk when you purchase your tickets.

Is the aquarium an indoor or outdoor facility?

The entire visitor circuit and the gift shop are fully enclosed and air-conditioned. This makes it an ideal destination for escaping rainy weather or the midday tropical sun.