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Réunion🇷🇪 | attractionsAquarium de La RéunionReef fish tanks, moray eels, seahorses, marina stop | things to do and best time to go

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Backpacking in Aquarium de La Réunion
👌 Worth visitingattraction ranked #7
By Johan Kruseman 🇳🇱 | Updated October 22, 2026

Most people come to Aquarium de La Réunion to see the reef fish that the island’s lagoon hides behind a wall of snorkel gear and sunscreen. What gets overlooked is that it’s also a rain and midday-heat refuge, cool and dim, with the hum of pumps and the faint salt smell of the tanks. It sits at the marina of Saint-Gilles-les-Bains, in the west of Réunion, where the sun is strongest. Parking by the harbor fills fast because the marina restaurants share it, so arrive early or walk over from the beach. Tanks are best at feeding time, when the fish crowd the glass. The scale is small, so treat it as a short stop. Unlike Kélonia in Saint-Leu, which focuses on sea turtles, this one covers the whole reef.

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✨ Why go?
Ranked #7 attraction in RéunionWhy Aquarium de La Réunion should be on your travel list

Aquarium de La Réunion gives you a preview of what lives in the water you are about to swim in. Snorkeling the reef off Saint-Gilles is far more fun once you can tell a lionfish from a stonefish, and the tanks make that lesson easy, with nothing to dodge. The collection focuses on Mascarene and Indian Ocean species, so you see local coral, moray eels, seahorses and jellyfish rather than a generic tropical lineup. It also fits the rhythm of the west coast, where beach days are punctuated by sudden clouds and hot afternoons. An hour among the tanks costs little energy and settles a lot of questions about the marine life, the reef’s fragility and why the lagoon is protected. For a backpacker on a tight loop around the island, it is a compact, dry-footed stop beside the harbor.

💡 HighlightsKey sights and experiences for travelers

  1. Lagoon and reef fish tanks: the main attraction, with the colorful fish you will meet while snorkeling off the nearby beaches. Entry is roughly €13 to 15 for adults, and a visit takes about an hour.
  2. Living coral displays: seeing coral alive and lit up helps you recognize healthy reef when you are in the water, and it explains why touching it is a bad idea.
  3. Moray eels: they hang half out of their crevices with open mouths, which looks threatening but is simply how they breathe.
  4. Stonefish and lionfish: venomous species of the lagoon, perfectly camouflaged against rock. You learn to spot them from the safe side of glass.
  5. Seahorses: tiny, slow and hypnotic, gripping plants with their tails. Small children and photographers tend to linger here longest.
  6. Jellyfish tanks: softly lit and nearly silent,
… read more 👉
  1. Lagoon and reef fish tanks: the main attraction, with the colorful fish you will meet while snorkeling off the nearby beaches. Entry is roughly €13 to 15 for adults, and a visit takes about an hour.
  2. Living coral displays: seeing coral alive and lit up helps you recognize healthy reef when you are in the water, and it explains why touching it is a bad idea.
  3. Moray eels: they hang half out of their crevices with open mouths, which looks threatening but is simply how they breathe.
  4. Stonefish and lionfish: venomous species of the lagoon, perfectly camouflaged against rock. You learn to spot them from the safe side of glass.
  5. Seahorses: tiny, slow and hypnotic, gripping plants with their tails. Small children and photographers tend to linger here longest.
  6. Jellyfish tanks: softly lit and nearly silent, a calm corner after the busier fish tanks.
  7. Feeding sessions: the tanks come alive when keepers feed the fish, and it is the best moment to watch behavior up close.
Aquarium de La Réunion sells tickets at the entrance, and no item here needs advance booking.
Spotted a mistake or missing something? Contact us.

🌤️ When to go?Weather, crowds, and seasonal trade-offs

  • Austral Winter (May to October): Dry, sunny days of 20 to 26°C (68 to 79°F) at sea level make this the comfortable window for a coastal aquarium visit. Daylight lasts roughly 11 to 12 hours, so you can pair the aquarium with a beach afternoon.
  • Summer (November to April): Hot and humid at 27 to 32°C (81 to 90°F), with afternoon downpours and cyclone risk from January to March. An indoor attraction becomes a smart rain plan.
  • School Holidays: Local holidays in July to August and around Christmas bring families, longer lines and pricier beds. Mid-October and May stay calmer.
  • Time of Day: Mornings on weekdays are quietest, and midday heat pushes locals indoors on summer weekends.
Book a weekday morning slot and keep the afternoon free for the nearby lagoon.

source: climatestotravel.comJANJanuary: fair for travelingFEBFebruary: fair for travelingMARMarch: fair for travelingAPRApril: fair for travelingMAYMay: excellent for travelingJUNJune: highly recommended for travelingJULJuly: good for travelingAUGAugust: good for travelingSEPSeptember: highly recommended for travelingOCTOctober: excellent for travelingNOVNovember: highly recommended for travelingDECDecember: fair for traveling
reunion-attraction-aquarium-de-la-reunion
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🛏️ Where to stay?How to pick the right area

Saint-Gilles-les-Bains is the area to choose, because the aquarium sits at the Hermitage end of the same west coast strip and the backpacker scene is concentrated here. Hostels and guesthouses cluster around the harbor and the main road, so you can walk to bars, bakeries and the dive and boat operators that run whale watching, snorkeling and diving trips. It is safe at night by Réunion standards, with a relaxed crowd of surfers, divers and hikers heading to the cirques. Expect dorm beds around €25 to 40 in high season. L’Hermitage-les-Bains, a few minutes south, is quieter and more resort-like, … read more 👉
Saint-Gilles-les-Bains is the area to choose, because the aquarium sits at the Hermitage end of the same west coast strip and the backpacker scene is concentrated here. Hostels and guesthouses cluster around the harbor and the main road, so you can walk to bars, bakeries and the dive and boat operators that run whale watching, snorkeling and diving trips. It is safe at night by Réunion standards, with a relaxed crowd of surfers, divers and hikers heading to the cirques. Expect dorm beds around €25 to 40 in high season. L’Hermitage-les-Bains, a few minutes south, is quieter and more resort-like, with fewer budget options but calm lagoon swimming right in front. Saint-Paul, the next town up the coast, is cheaper and more local, with a big Saturday market, though nightlife is thin and you will want a bus or a car. Staying in Saint-Gilles also gives you the easiest bus links toward the interior hikes.


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👛 Costs (as of 22 October 2026)Typical daily expenses

Aquarium de La Réunion costs about €60 to 75 per person per day for a backpacker including the visit, with the entry ticket itself around €15 to 20 for adults.
CategoryBudget RangeLocal Reality
Entry ticket (adult)€15 to 20Reduced rates for children and students; paid at the desk or online.
Dorm bed (high season)€25 to 40Saint-Gilles hostels fill up in July, August and December.
Dorm bed (low season)€20 to 30Easier to find a bed and cheaper midweek.
Local bus€2 to 4Car Jaune services run along the west coast; fewer buses on Sundays.
Food€12 to 20Takeaway rougail and cari plates cost less than café meals.
Extras (gift shop, drinks)€3 to 8Cold drinks are pricey on the seafront.
Total Daily Budget€60 to 75Pay in euros, cards widely accepted.
⚠️ Prices can change and everyone travels differently, so take this as a rough guide. Hope it helps you plan your adventure!

FAQFrequently asked questions about Aquarium de La Réunion

Aquarium de La Réunion takes about 1.5 to 2 hours to see properly, which makes it a comfortable morning or rainy-afternoon stop. Add another hour if you linger over the lagoon and coral tanks. It sits on the Hermitage coast near Saint-Gilles, so you can fit a beach swim afterward in the same half day.
Aquarium de La Réunion is worth the roughly €15 to 20 adult ticket if you want to understand the lagoon reef before you snorkel it. The tanks focus on local Indian Ocean species and coral, which helps you identify fish you will see in the water. Skip it if your budget is tight and you plan several snorkel trips, but it is a solid wet-day option.
Aquarium de La Réunion is on the west coast at the Hermitage end of the Saint-Gilles strip, about 40 minutes by road from Saint-Denis and 15 minutes from Saint-Paul. Car Jaune buses along the coast cost roughly €2 to 4 and stop within a short walk. A rental car is more flexible and parking is available nearby, while taxis from Saint-Gilles cost around €8 to 12.
⚠️ Things can change over time, so always validate details locally before you go.

Other Réunionnais attractions near Aquarium de La Réunion

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We 💚 feedbackParting advice and final tips

Aquarium de La Réunion works best on a hot early afternoon, when the beaches are glaring and the marina is quiet, or on a rainy day in the austral summer. I would go before snorkeling, not after, so the fish names stick. Bring a swimsuit under your clothes and head to the lagoon straight afterward.

✍️ Help improve this page!
The information on this page is based on in-depth research, insights shared by experienced travelers, and feedback from the local travel community in Réunion. While every effort is made to keep the information accurate and current, conditions can change — so if you spot anything incorrect or outdated, please get in touch.



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