10 Barcelona Attractions for Kids, Ranked by a Local Parent

We’ve lived in Barcelona since 2010 and our two boys have grown up doing these things. If you have three or four days here with children and you want the shortlist rather than the full guide, this is it — ten places, ranked, with what each one actually costs.

This is the shortlist. For the complete guide — where to stay, how to get around, what a week costs — see Barcelona with kids.

Before you book anything: children are free at most of these

The single most useful thing I can tell you about visiting Barcelona with children, and almost nobody does:

Attraction	Children free under
Sagrada Família	11
Casa Batlló	12
MNAC	16
Museu Blau	16
CosmoCaixa	16
Museu Picasso	18

Resale sites don’t highlight this because they earn nothing on a free child. Check each attraction’s own official website before you book anywhere else. Fifteen minutes, and it’s worth €150–200 across a week for a family of four.

The exceptions are the private attractions — the aquarium charges full adult price from age 11, and the Big Fun Museum from age 6. More on the mistakes families make here.

1. CosmoCaixa — €8, free under 16

The science museum in the hills, and the best-value day out in this city by a distance. A thousand square metres of living Amazon rainforest with caimans and piranhas, a six-metre woolly mammoth fossil, a planetarium, and hands-on workshops split by age — roughly 3 to 6 and 7 to 9.

We’ve been several times, which is not something I say about many museums. A family of four pays €16, it’s open seven days a week, and it genuinely takes three to four hours.

If you do one thing on this list, do this one.

Full guide to CosmoCaixa.

2. Parc de la Ciutadella and the Arc de Triomf

Two places in one entry, and deliberately: the Arc de Triomf is for you, the park is for them.

Ciutadella is the green heart of the city — a boating lake, an enormous ornamental waterfall Gaudí worked on as a student, playgrounds, parrots in the trees, and space to run. It’s free, it’s central, and it’s next to both the zoo and El Born.

The single most useful fact: the zoo entrance is five minutes’ walk from Ciutadella | Vila Olímpica metro on L4, not the twenty most people budget.

Our full day at Ciutadella.

3. Sagrada Família — €26, free under 11

Antoni Gaudí took over the project in 1883 and abandoned the original neo-Gothic plans for something nobody had seen before. It is still being built.

Children are won over by the light. The stained glass throws colour right across the interior — blues and greens on one side, oranges and reds on the other — and it moves through the day. That’s the thing they’ll remember, not the architecture.

Under-11s go free, so a family of two adults and two children aged 7 and 12 pays €78, not €104.

Book a timed slot the moment you know your dates. There is no reliable door ticket and the queue you can see from the street is people who already have tickets.

There’s also a free playground and pond on the Plaça de la Sagrada Família side, which is where to go afterwards.

How we do the Sagrada Família with two kids.

4. Park Güell

Gaudí again, built between 1900 and 1914 and on the UNESCO list. The Monumental Zone — the mosaic bench, the dragon, the terrace — is ticketed and timed, and sells out days ahead in summer.

What most guides don’t say: the rest of the park is free, much bigger, and has better views. If you can’t get a slot, or you’d rather not pay, the woods and paths above the Monumental Zone are genuinely worth the walk on their own.

Be ready for the hill. It’s steeper from the metro than the map suggests.

Park Güell with children.

5. Parc del Laberint d’Horta — €2.23, free Wednesdays and Sundays

The oldest garden in Barcelona, and an eighteenth-century cypress hedge maze with a statue of Eros at its centre. The hedges are taller than you are, and getting out takes longer than getting in.

A family of four pays €7.30 — or nothing at all on a Wednesday or Sunday. There is nothing else in this city at this price.

Almost no visitor goes, because it’s out at Mundet on L3, half an hour from the centre. That’s the reason to go.

Full guide to the Laberint d’Horta.

6. Tibidabo

An amusement park on top of the mountain at the back of the city, which means children get the rides and you get the best panorama in Barcelona at the same time. Some of the attractions date to 1901 and still run.

It’s a full day out rather than a stop, and it’s a long way up — check opening days before you go, because it doesn’t run every day out of season.

Tibidabo with kids.

7. Montjuïc — the castle, the fountain and MNAC

The hill by the port, and the part of Barcelona with the most to do per square metre and the shortest queues.

The castle has ramparts and cannons and a view over the whole harbour. Poble Espanyol is up there too, and MNAC, where under-16s go free. And the Magic Fountain does a free light and music show on selected evenings — check the schedule, it varies by season and it’s the thing most worth timing a day around.

Don’t walk up from Plaça Espanya with children. Take the funicular from Paral·lel, or the escalators beside MNAC.

8. The Gothic Quarter

A labyrinth of narrow medieval lanes, the cathedral, Plaça Reial, and corners that look like a film set.

Go before ten in the morning. It’s a completely different place — quiet, cool, almost empty — and by midday it’s shoulder to shoulder. This is the single best free thing to do in Barcelona and the time of day decides whether you enjoy it.

Afterwards, walk east into El Born for the chocolate museum and Museu Picasso, where under-18s are free.

9. Casa Milà (La Pedrera) — and Casa Batlló, free under 12

Gaudí’s most famous residential building, built 1906–1912, with a stone facade of wavy lines and a roof terrace of chimneys that look like helmeted soldiers. The roof is what children like — it’s the closest thing Barcelona has to a sculpture park you can walk on.

When we visited, Marc was so small I don’t think he remembers it. Damian already understood a lot, and he loved it.

One Gaudí interior per day, maximum. Casa Batlló and Casa Milà are five minutes apart, which makes stacking them tempting and wrong — by the second building nobody is looking at anything. Casa Batlló is free for under-12s, which makes it the better-value of the two with a young family.

10. The beaches

Free, and the thing we do most.

Don’t stop at Barceloneta — it’s the closest to the centre and therefore the most crowded. Keep going to Bogatell, about 25 minutes along the sand, where there’s space, better facilities and a local crowd. Nova Icària has the calmest water if your children are small.

It’s the same sea the whole way along. Only the crowd changes.

All seven Barcelona beaches, compared.

And one more: the Bunkers del Carmel — free

The best view in Barcelona, from the remains of a 1937 anti-aircraft battery on Turó de la Rovira, in the El Carmel neighbourhood. Free, no tickets.

One thing that has changed and that most articles haven’t caught up with: the site has been fenced and gated since May 2023 and closes at 19:30 in summer, which is before sunset. The sunset everyone recommends is no longer possible between about February and October. Go in the morning instead — it’s better anyway, and almost nobody is there.

Full guide to the Bunkers.

If you only have three days

• Day 1: Gothic Quarter early, then El Born and the chocolate museum, then the beach.
• Day 2: Sagrada Família in the morning, Ciutadella in the afternoon.
• Day 3: CosmoCaixa, or Montjuïc if the weather is good.

One area per half-day. The mistake that ruins Barcelona trips is three pins that looked close together on a map.

Frequently asked questions

What are the best attractions in Barcelona for kids?

CosmoCaixa for value and depth, Parc de la Ciutadella for free space to run, the Sagrada Família for the stained-glass light, Park Güell, the Laberint d’Horta maze, Tibidabo, Montjuïc, the Gothic Quarter early in the morning, Casa Milà’s roof and the beaches at Bogatell and Nova Icària.

Do children pay for attractions in Barcelona?

Often not. Children are free under 11 at the Sagrada Família, under 12 at Casa Batlló, under 16 at MNAC, Museu Blau and CosmoCaixa, and under 18 at Museu Picasso. Private attractions are different — the aquarium charges full price from age 11 and the Big Fun Museum from age 6. Check each attraction’s official website rather than a reseller.

What is the cheapest thing to do in Barcelona with children?

The beaches, Parc de la Ciutadella, the Gothic Quarter and the Bunkers del Carmel are all free. The Parc del Laberint d’Horta costs €2.23 for adults and €1.42 for under-14s, and is free for everyone on Wednesdays and Sundays. CosmoCaixa is €8 with under-16s free.

How many Gaudí buildings should you do in one day?

One. Casa Batlló and Casa Milà are five minutes apart, which makes stacking them tempting, but three Gaudí interiors in a day costs €80–100 for two adults and by the third nobody in the family is still looking. Put something completely different beside each one.

Can you still watch the sunset at the Bunkers del Carmel?

Not in summer. The site has been fenced and gated since May 2023 and closes at 19:30 in summer and 17:30 in winter, while the sun does not set until after 21:00 in June and July. Go in the morning instead, when the light is clear and almost nobody is there.

What should you do in Barcelona with kids in three days?

Day one, the Gothic Quarter before ten, then El Born and the beach. Day two, the Sagrada Família in the morning and Parc de la Ciutadella afterwards. Day three, CosmoCaixa or Montjuïc. One area per half day — the mistake that ruins Barcelona trips is three places that looked close together on a map.