Castillo De Santa Catalina: The Free Wednesday Window Explained
The Castillo de Santa Catalina in Cadiz is paid most of the week, with one weekly window when admission is free. Here is exactly how that window works, what a ticket costs the rest of the time, and what around the castle costs nothing at all.
In Short
The Castillo de Santa Catalina is not a free castle. Admission costs 3.50 euros for adults and 1.50 euros reduced, except for a free window every Wednesday: 15:00 to 18:00 in winter, from 16 September to 15 June, and 17:00 to 21:00 in summer. Beside it, La Caleta beach and the causeway to Castillo de San Sebastian are free.
The Castillo de Santa Catalina guards the western lip of La Caleta, and it is one of the few sights in Cadiz where the free answer and the paid answer change with the day of the week. This guide sets out the operator's own rules for the free Wednesday window, the ticket prices the rest of the week, and the genuinely free pieces of coastline on either side of the castle walls.
Part of the Cadiz free sights guides.
Quick Facts
| Question | Answer |
|---|---|
| Is the Castillo de Santa Catalina free? | Not generally. It is free only during a weekly Wednesday window. |
| Winter free window | Wednesdays 15:00 to 18:00, from 16 September to 15 June |
| Summer free window | Wednesdays 17:00 to 21:00, from 16 June to 15 September |
| Ticket the rest of the week | 3.50 euros adult, 1.50 euros reduced, as the operator states |
| Castle opening hours (winter) | Monday to Saturday 10:00 to 18:00, Sunday 10:00 to 15:00 |
| Free neighbours | Playa de la Caleta and the causeway walk toward Castillo de San Sebastian |
Is The Castillo De Santa Catalina Free?
No, the Castillo de Santa Catalina is not a free attraction in the usual sense. Entry is paid except during a single weekly window on Wednesdays, when admission is free for everyone for a few hours. The castle's own operator page states an adult ticket of 3.50 euros and a reduced ticket of 1.50 euros for every other opening hour, so any visit planned outside Wednesday carries that cost.
That is the whole truth, but it is worth slowing down on why the distinction matters. Cadiz has a large stock of genuinely free sights: open squares, municipal museums, beaches and seafront promenades that cost nothing at any hour. The castle does not belong to that group. It belongs to the smaller group of conditionally free sights, alongside places like the Yacimiento Gadir, where the price is zero only if you meet a condition, and here the condition is timing your visit to a Wednesday afternoon or evening.
The rule comes from the castle's own operator page, which cites the Andalusian Heritage Law 14/2007 for the weekly free window. That law is why many Andalusian monuments open their doors for free on a set day or a set window each week, and it is the reason the Wednesday window exists at all. The operator publishes the prices and the window together on one page: the castle's official tourist visit page.

There is a further wrinkle that catches out a lot of visitors. Some listings for the castle describe its entry in wording that suggests it is simply free. This site follows the operator's page rather than that wording, because the operator is the body that actually sells the tickets and staffs the gate on the days the window does not apply. Treat the Wednesday window as the only free entry, and plan every other visit around the 3.50 euro ticket.
If a free castle is the goal, the honest answer is that Cadiz has one, and it is the other castle. The Castillo de San Sebastian, at the end of the causeway on the opposite side of La Caleta, is free to enter, and it is covered in detail in the guide to La Caleta beach and the two castles. Many visitors combine the two: the free castle on the causeway, and the paid castle with its Wednesday window on the headland. One of the free walking routes passes through here: English-Only Old Town Walk.
When Is The Free Wednesday Window In Winter?
In winter, meaning from 16 September to 15 June, the Castillo de Santa Catalina opens its doors free of charge every Wednesday from 15:00 to 18:00. Those three hours are the only free admission in the winter half of the year. Outside that window, the standard 3.50 euro adult and 1.50 euro reduced tickets apply on Wednesdays too.
The winter window is generous in one sense: it covers nine months of the year, so a visit in October, November, February or May all falls under the same 15:00 to 18:00 rule. It is also the window most visitors will actually use, because it spans the shoulder seasons and the main travelling months either side of summer.
Winter also brings the castle's general opening hours into play. From the operator's page, the castle opens Monday to Saturday 10:00 to 18:00 and Sunday 10:00 to 15:00 in winter. The free window sits inside the Monday-to-Saturday hours, ending at 18:00 on a day when the castle itself closes at 18:00, so the last part of the free window runs against closing time. Arriving toward the start of the window gives the fullest visit.

Two practical notes follow from the winter dates. First, the switch from winter to summer rules lands on fixed calendar dates, 15 and 16 June, not on the solstice or the clock change, so a visit in mid-June needs care about which rule applies. Second, the free window is a Wednesday-only rule: a Tuesday or a Thursday in January still costs 3.50 euros, however quiet the castle looks.
A free Wednesday afternoon pairs naturally with a paid-or-free decision elsewhere in the day. The walk between the old town and the castle passes the seafront and La Caleta, all of it free, and the free seafront walks and viewpoints guide maps the pieces that cost nothing. Visitors who want a structured introduction to the city before spending the afternoon at the castle can reserve a free walking tour; the free walking tour guide explains how the pay-what-you-want model works on GuruWalk and freetour.com.
Both walks above run in English and Spanish, last 2 hours and are free, pay what you want: the Victoria History And Anecdotes Walk on GuruWalk, rated 4.89 out of 5 across 1,364 GuruWalk reviews, and the OWAY Tours walk, also on GuruWalk, rated 4.66 out of 5 across 270 GuruWalk reviews. Each meets at Plaza de San Juan de Dios.
When Is The Free Wednesday Window In Summer?
In summer, from 16 June to 15 September, the free Wednesday window at the Castillo de Santa Catalina runs from 17:00 to 21:00. The four-hour summer window replaces the shorter winter one, and it is the only free admission during the summer months. Every other opening hour in summer carries the standard paid ticket.
The summer window is longer than the winter one, which suits the season: a 17:00 start means the visit begins as the afternoon heat eases and runs into the evening light over the bay. The shift happens on a fixed date, 16 June, and runs to 15 September, so the summer rule covers the whole of the school-holiday period. Anyone visiting in late June, July or August and aiming for the free window needs the 17:00 to 21:00 hours, not the 15:00 start that applied in spring.

The operator's page is the source for both windows and for the prices, and it states them together as one rule set rather than as separate promotions: the official castle visit page. Because the window is anchored in the Andalusian Heritage Law 14/2007 rather than in a seasonal campaign, it is a standing arrangement rather than a limited offer, though the operator's page is always the place to confirm the hours before travelling.
A summer Wednesday at the castle also sits beside some of the best free territory in the city. La Caleta beach, directly below the walls, is a free municipal beach, and the four Cadiz city beaches carried Blue Flag 2026 status in local press reports. A late-afternoon free entry, followed by time on the sand as the light drops, is about as good as a zero-euro evening in Cadiz gets. The free beaches guide covers all four.
The Cadizfornia Official Walk, referenced in the box above, is the walk this site features for the old town. It runs on GuruWalk, is free with pay what you want, lasts 2 hours, runs in English and Spanish, and meets at Plaza de San Juan de Dios, 13D. It is rated 4.66 out of 5 across 5,747 GuruWalk reviews.
What Does The Rest Of The Week Cost?
Outside the Wednesday window, the Castillo de Santa Catalina charges 3.50 euros for an adult ticket and 1.50 euros for a reduced ticket, as the operator's own page states. Those prices apply Monday to Saturday and Sunday alike, in winter and summer, on every day and hour that is not the free Wednesday window. The castle opens in winter Monday to Saturday 10:00 to 18:00 and Sunday 10:00 to 15:00.
Three euros fifty is a modest ticket by the standards of Cadiz's paid sights. The cathedral charges 12 euros for a general adult visit, the Torre Tavira camera oscura charges 8 euros general and 6 euros reduced with advance booking, and the Cadiz Sacra bono, covering four church sites over 48 hours, costs 12 euros general. Against those, the castle sits at the cheap end of the paid list, which is one reason the Wednesday window is less famous than the cathedral's free-square-versus-paid-interior split. The wider set of guides lives on Free Things To Do In Cadiz.

The table below gathers the paid and conditional sights around the castle so the week can be planned against a budget.
| Sight | Free scope | Paid part |
|---|---|---|
| Castillo de Santa Catalina | Wednesday window only: 15:00-18:00 winter, 17:00-21:00 summer | 3.50 euros adult, 1.50 euros reduced |
| Castillo de San Sebastian | Free, daily 09:00 until sunset, weather permitting | None stated |
| Playa de la Caleta | Free municipal beach | None |
| Catedral de Cadiz | Plaza de la Catedral, the square, is free | Interior and tower paid, 12 euros general |
| Torre Tavira | The squares around it are free | 8 euros general, 6 euros reduced, advance booking |
One planning habit makes the whole week cheaper: put the free-window sights on their free days and spend the ticket money, if anywhere, on the sights with no free option at all. A Wednesday built around the castle window, the causeway and La Caleta costs nothing; the cathedral square and the seafront can fill any other day free of charge as well. The detailed splits live in the free versus paid Cadiz sights guide.
What Is Free Next To The Castle?
Everything on the shoreline around the Castillo de Santa Catalina is free. Playa de la Caleta, the beach directly below the castle, is a free municipal beach. The causeway and seafront walk that stretch toward the Castillo de San Sebastian are free public ground, and that second castle is itself free to enter daily from 09:00 until sunset, weather permitting.
La Caleta is the smallest and most sheltered of Cadiz's four city beaches, sitting in the channel between the two castles. It is free to walk, sit and swim, and the four municipal beaches, La Caleta, Santa Maria del Mar, La Victoria and Cortadura, all appear in local press reports as Blue Flag 2026 beaches. No season, lifeguard or swimming-condition claim travels with that flag here; it is reported as Blue Flag 2026 and nothing more.

The Castillo de San Sebastian is the free counterpart across the sand. The municipal listing gives it free entry every day from 09:00 until sunset, with one real caveat: the causeway that leads to it floods in rough seas, and the listing says access is subject to weather. On a calm day the walk out along the causeway is one of the best free stretches in the city; on a stormy one the sea closes it. The details are in Is Castillo De San Sebastian Free?, and the municipal listing is at turismo.cadiz.es.
Around the headland the free ground continues. The Campo del Sur promenade runs along the western wall below the old town as an open waterfront walk, free at all hours, and the Paseo del Vendaval gives a wall-top viewpoint on the same stretch. None of these carry hours or gates; they are simply public ground, which makes them the reliable half of any La Caleta plan when the castle's paid hours or the Wednesday window do not line up with the day.
So a full free day in this corner of Cadiz looks like this: the causeway and Castillo de San Sebastian in the morning, La Caleta and the Campo del Sur through the middle of the day, and, if it is a Wednesday, the Castillo de Santa Catalina in the free window from 15:00 in winter or 17:00 in summer. On any other day, the castle is the one paid item on that list, and skipping its interior still leaves the walls, the beach and two castles' worth of coastline to walk.
Which Free Walking Tours Meet Near The Castle?
Cadiz's free walking tours meet in the old town, at Plaza de San Juan de Dios and at Cadiz City Hall, both on the same peninsula as the castle and reachable on foot along the seafront. Every walk is free, pay what you want, reserved on GuruWalk or freetour.com. This site lists 13 free walking tours across those two platforms, including walks in Spanish only and a smaller set in English.
The Cadizfornia Official Walk is the one this site features. It runs on GuruWalk, lasts 2 hours, is given in English and Spanish, and meets at Plaza de San Juan de Dios, 13D, from where the seafront walk toward La Caleta is a straight line along the city walls. It is rated 4.66 out of 5 across 5,747 GuruWalk reviews, a count that covers all of the walk's languages. Reserving a place costs nothing: the walk is free, pay what you want, and the reservation itself happens on the guide's GuruWalk page.
Other walks meet at the same square or close to it. The Victoria History And Anecdotes Walk meets at Plaza de San Juan de Dios, 5, runs 2 hours in English and Spanish on GuruWalk, and is rated 4.89 out of 5 across 1,364 GuruWalk reviews. The OWAY Tours walk meets at Plaza de San Juan de Dios, also 2 hours in English and Spanish on GuruWalk, rated 4.66 out of 5 across 270 GuruWalk reviews. The English-Only Old Town Walk meets at Cadiz City Hall, Plaza de San Juan de Dios, runs 1 hour 30 minutes in English, and is listed on freetour.com, rated 9.7 out of 10 across 65 reviews shown on freetour.com.
| Walk | Platform | Meets at | Language | Duration |
|---|---|---|---|---|
| Cadizfornia Official Walk | GuruWalk | Plaza de San Juan de Dios, 13D | English and Spanish | 2 hours |
| Victoria History And Anecdotes Walk | GuruWalk | Plaza de San Juan de Dios, 5 | English and Spanish | 2 hours |
| OWAY Tours Walk | GuruWalk | Plaza de San Juan de Dios | English and Spanish | 2 hours |
| English-Only Old Town Walk | freetour.com | Cadiz City Hall, Plaza de San Juan de Dios | English | 1 hour 30 minutes |
| Spanish Legends And Mysteries Walk | freetour.com | Puerta de la Caleta, Paseo Fernando Quinones | Spanish only | 1 hour 45 minutes |
The remaining walks run in Spanish only, so they suit visitors who can follow a guide in Spanish. The Fall In Love Walk and the Spanish Gastronomic Walk meet at Cadiz City Hall on GuruWalk; the Spanish History, 2 Hours 30 Minutes meets at Plaza de San Juan de Dios on GuruWalk; the La Pepa History Walk meets at Plaza de Espana, 16, on GuruWalk; and on freetour.com, the A Must and Esencial walks meet at Plaza de San Juan de Dios, the Spanish Legends And Mysteries Walk at Puerta de la Caleta, Paseo Fernando Quinones, and the Cadiz By Night walk at Plaza de San Juan de Dios. Each walk begins at the meeting point given with its name, and the route from there is the guide's to lead.
A walk plus the castle window makes a natural Wednesday. The Cadizfornia Official Walk and the other old-town walks start from the square where the city's civic buildings stand, and the seafront toward La Caleta carries you to the castle without a ticket, a bus or a timetable. Anyone weighing the model itself can read Are Free Walking Tours In Cadiz Really Free?, which sets out the pay-what-you-want arrangement plainly.
Mistakes That Trip People Up At The Castillo De Santa Catalina
The common mistakes are treating the castle as free on any day but Wednesday, mixing up the winter and summer window hours, and assuming the beaches and castles beside it share its rules. The castle is paid outside the window, the window's hours change on fixed dates in June and September, and the neighbouring Castillo de San Sebastian is free while this one is not.
The first mistake is believing a listing that makes the castle sound unconditionally free. Some municipal listings use wording that reads that way, but the body operating the gate, selling the tickets and holding the free window is the castle's own operator, and its page pairs the 3.50 euro ticket with the Wednesday window in the same breath. Follow the operator's rule, not the summary. This site never maps the castle as an always-free sight.
The second mistake is arriving on a Wednesday at the wrong hours. Winter, 16 September to 15 June, means 15:00 to 18:00; summer, 16 June to 15 September, means 17:00 to 21:00. A visitor who read about the winter window in spring and arrives in July at 15:00 will find a paid entry with two hours to wait. The switch dates are fixed calendar dates, so check the season, not the weather, before planning.
The third mistake is merging the two castles into one free plan. They are different records with different owners and different rules. The Castillo de San Sebastian at the end of the causeway is free daily from 09:00 until sunset, subject to weather and the flooding causeway. The Castillo de Santa Catalina on the La Caleta headland is paid except for its window. The fourth mistake is the mirror image: assuming the free castle makes the paid one skippable, when in fact they sit on opposite sides of the same beach and a Wednesday can take in both.
A fifth mistake is budgeting the whole day as free when only part of it is. The beach, the causeway, the promenades and the free castle cost nothing; the Santa Catalina interior, the cathedral interior and the Torre Tavira do not. Plan the free pieces as the frame of the day and decide deliberately where, if anywhere, the 3.50, 12 or 8 euros is worth spending. The one day in Cadiz for free guide builds exactly that kind of day.
For English speakers who want a shorter walk before the castle window, one option stands apart from the Spanish-language roster: the English-Only Old Town Walk on freetour.com, 1 hour 30 minutes, meeting at Cadiz City Hall, Plaza de San Juan de Dios.
Common Questions About The Free Wednesday Window
Is The Castillo De Santa Catalina Free On Any Day?
Yes, on Wednesdays only. Admission is free from 15:00 to 18:00 in winter, 16 September to 15 June, and from 17:00 to 21:00 in summer. Every other day and hour is paid, at 3.50 euros adult and 1.50 euros reduced, as the operator states.
Do I Need A Ticket For The Free Wednesday Window?
No ticket price applies during the window itself; entry is free for everyone in those hours. The operator's page is the place to confirm the current hours before travelling, since it publishes the window and the paid prices together.
What Are The Castillo De Santa Catalina Opening Hours?
In winter the castle opens Monday to Saturday 10:00 to 18:00 and Sunday 10:00 to 15:00, per the operator's page. The free window on Wednesdays sits within those hours. Summer hours are stated on the same page alongside the summer window.
Is The Castillo De San Sebastian Free Too?
Yes, the Castillo de San Sebastian, across the causeway from La Caleta, is free to enter daily from 09:00 until sunset, weather permitting. The causeway floods in rough seas, so access depends on conditions. It is a separate site from Santa Catalina with separate rules.
Can I Visit The Castle And La Caleta Beach On The Same Day For Free?
Yes. La Caleta is a free municipal beach, and with a Wednesday timed to the free window, the castle, the beach, the causeway and the Castillo de San Sebastian together cost nothing. On other days, the castle carries the 3.50 euro adult ticket.
Are There Free Walking Tours That Pass Near The Castle?
Free walking tours in Cadiz meet in the old town, at Plaza de San Juan de Dios and at Cadiz City Hall, and the seafront toward La Caleta is walkable from there. All 13 walks listed on this site are free, pay what you want, reserved on GuruWalk or freetour.com, and each is introduced by its meeting point only.