The most famous exhibition at the Lisbon Oceanarium, widely considered the city's best aquarium and a global destination, is closing after 11 years. If you haven't seen it, this is your last chance. It's Saturday, 13 June. Santo António Day. Twenty-five degrees. Here's what you need to know.

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THE LISBON OCEANARIUM'S "FORESTS UNDERWATER" IS CLOSING AFTER 11 YEARS.

The most Instagrammed exhibit in Lisbon is about to disappear. "Forests Underwater by Takashi Amano," the living underwater landscape that has occupied the Oceanarium's permanent exhibition hall since 2015, is closing permanently. After 11 years, thousands of hours of daily maintenance by a team of aquatic gardeners, and millions of visitors, the forest is being decommissioned. Originally built as a temporary two-year installation, the exhibit blew past its intended lifespan due to unprecedented global success.

Takashi Amano was a Japanese photographer, aquascaper, and the founder of the "Nature Aquarium" movement, which treats underwater tanks as living art installations. He created the Lisbon piece in 2015 as the largest nature aquarium in the world: a 160,000-litre tank designed to replicate an Amazonian flooded forest, complete with live plants, driftwood, and freshwater fish swimming through submerged tree canopies. Amano died in 2015, shortly after the installation was completed. The exhibit became his final major work.

Maintaining a living artwork for over a decade is not simple. The plants grow, die, and regrow. The water chemistry must be balanced daily. Fish are replaced as they age. The aquascaping team has effectively been gardening underwater, five days a week, for 11 years, to keep the installation alive and evolving. Since it opened in 2015, the exhibition has accumulated over 11,000 hours of specialised diving and welcomed more than 10 million visitors. No two visits to the exhibit have ever looked exactly the same, because the forest was never static.

The Lisbon Oceanarium is the most visited cultural attraction in Portugal and consistently ranks among the best aquariums in the world. The "Forests Underwater" exhibit has been its signature draw, the room that visitors remember long after they've forgotten the sharks and the sea otters. The Oceanarium has not yet announced what will replace it.

For anyone who has been meaning to visit and kept postponing, the closing date is June 30. That is 17 days away. Check the Oceanarium's website for the final weeks of the exhibition and book in advance. The queues will be longer than usual as word spreads.

Bottom line: One of the most remarkable permanent exhibitions in any European museum is closing. If you live in Lisbon and haven't seen it, go before it's gone. If you have seen it, go again. It won't look the same as last time. It never does.

There’s something bittersweet about an artist’s final work becoming their masterpiece. It’s like if the world only had 11 years to see Monet’s Water Lilies before they were taken down forever. It's incredible that a temporary project outlived its original timeline by nearly a decade, but it was always just a specific window of time.

⚡ QUICK HITS

The UN warns the world is heading into another period of "dangerous heat." A new report says "it's nearly certain that global temperatures will enter another dangerous phase." Portugal already logged over a week of "very high" UV alerts this month, and IPMA issued yellow heat warnings across 11 districts. The 2017 wildfire season killed 117 people. Fire season is underway. If you're planning outdoor activities this summer, check IPMA daily.

The Algarve hit 80% hotel occupancy during the June mini-breaks. Domestic tourists drove the surge, and summer hasn't officially started. For readers who rent on Airbnb or are planning a summer trip south, the signal is clear: book now or compete with everyone else who waited.

Lisbon Airport is making "significant progress" in clearing its passport control bottlenecks. European Commissioner Magnus Brunner confirmed that extra staff and new equipment have smoothed out the EU’s new Entry/Exit System (EES). The digital border checks apply only to non-EU citizens and caused massive delays earlier this spring. Officials say the rollout is finally stabilizing.

Practice Portuguese — The Learning Platform That Actually Teaches the Portuguese You Hear

Most language apps teach Brazilian Portuguese. This one doesn't. Practice Portuguese is 100% European Portuguese, built by Rui (from Portugal) and Joel (from Canada, who moved here over a decade ago and couldn't find a single decent resource for learning the language people actually speak in Lisbon).

The platform covers complete beginner through to advanced (A1 to B2) with a structured path of over 100 units. But the reason it works for expats living here is the content around the lessons: hundreds of audio and video episodes recorded by native Portuguese speakers, with synced translations, filterable by level and topic. Grammar guides written by people who know exactly where English speakers get stuck. A verb conjugation trainer for the moments when you can't remember whether it's "estive" or "estava." Personalised flashcards that adapt to how you're actually performing. And a members forum where you can ask the questions your Portuguese teacher never had the time for.

The whole thing is self-paced, available on web and app, and built by a team that combines native speakers who know the language inside out with learners who remember what it felt like not to.

Special offer for The Lisbon Letter readers: 60% off your first month.

We only partner with businesses we think genuinely help our community. If this is useful to you, or if you know someone still stuck at "bom dia," every click and every share goes a long way to keeping this newsletter free every morning.

🍽️ SPOT OF THE DAY

The morning after Santo António calls for a specific kind of brunch. Somewhere warm, well-lit, with strong coffee, generous portions, and staff who understand that you are not operating at full capacity.

Heim Café sits on a cobblestoned corner of Rua de Santos-o-Velho, in the quiet stretch of Santos between the river and the Basílica da Estrela. The name means "home" in Icelandic, and the space feels like it: wooden furniture built from scratch by the owners, plants in every corner, natural light flooding in through large windows, and a warmth that comes from a room that was designed by the people who work in it every day.

Hanna and Misha, a Ukrainian couple who moved to Lisbon, renovated the space themselves and opened Heim as the kind of café they wanted to find and couldn't. Condé Nast Traveler called it one of the best coffee shops in Lisbon. Tripadvisor gave it a Travelers' Choice award. The reviews consistently praise the same things: the food, the atmosphere, and the feeling that nobody is rushing you out.

The avocado toast with a poached egg and smoked salmon is the dish most people order first. The pancakes are fluffy, generous, and the reason the brunch queue starts by 11am. The crème brûlée brioche has been called one of the best desserts in Lisbon, which is a big claim for a brunch café. The brunch combos are substantial and good value. Coffee is strong and sourced from Eastern Europe. Local wines and cocktails for those who are either recovering or continuing from last night.

Vegetarian, vegan, and gluten-free options throughout. The crowd is a mix of expats, remote workers, and locals who discovered the place through word of mouth and keep coming back.

The honest notes from reviews: it gets busy fast on weekends (arrive before 11am), service slows when the room is full, and it's slightly pricier than the neighbours. None of which matters when the food arrives.

Santos, on Rua de Santos-o-Velho.

Insider tip: Go at 9:30am on a Saturday when the room is still calm. Order the avocado toast or the pancakes and a flat white. Sit by the window. Take your time.

📅 WHAT'S ON

  • Santo António Day (today, Sat 13 Jun) Lisbon municipal holiday.

  • Gulbenkian Orchestra (Tue 16 Jun, 8pm, Gulbenkian Grand Auditorium) Free admission, subject to capacity.

  • Portugal vs DR Congo (Wed 17 Jun, 6pm Lisbon time) World Cup Group K. Houston.

  • SuncéBeat (Thu 18 to Mon 22 Jun, Costa da Caparica) House, funk, soul on the beach.

  • Thai Festival (Fri 19 to Sun 21 Jun, Vasco da Gama Garden, Belém) Thai food, culture, and performances.

  • Arraial Lisboa Pride (Sat 20 Jun, Terreiro do Paço) Lisbon's biggest LGBTQ+ celebration.

  • Rock in Rio Lisboa (Sat 20-Sun 21 and Sat 27-Sun 28 Jun, Parque Tejo) Katy Perry, Linkin Park, Rod Stewart, Cyndi Lauper, Joss Stone.

  • EUROPIANO Tchaikovsky Piano Concert (Sun 21 Jun, 8:30pm, Jardins da Torre de Belém) Free outdoor concert at sunset.

  • Portugal vs Uzbekistan (Tue 23 Jun, 6pm Lisbon time) World Cup Group K. Houston.

  • Portugal vs Colombia (Sat 27 Jun night / Sun 28 Jun 00:30 Lisbon time) World Cup Group K. Miami.

  • Candlelight Concerts (various June dates, Altis Grand Hotel / EPIC SANA)

  • Festival dos Oceanos (Wed 1 to Wed 15 Jul) Free concerts and ocean-themed events across Belém, Parque das Nações, and Cais do Sodré.

  • Festival ao Largo (Sat 4 to Tue 28 Jul, Largo de São Carlos) Free outdoor symphony, ballet, and theatre.

  • NOS Alive (Thu 9 to Sat 11 Jul, Passeio Marítimo de Algés)

  • Out Jazz (Sundays, May through September, various parks) Free.

  • Todd Webb in Portugal (ongoing, Gulbenkian, through 27 Jul)

  • From Plate to Print (ongoing, Museu do Oriente, through 9 Aug)

See you tomorrow morning.

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