Sercotel Carlos III
By the Top3Hotels editorial team. Based on Booking.com guest scores and reviews, location data and reference prices. We did not stay at this hotel. Updated 2026-10-24.
Yes, it is a sound booking for travellers who want a well-reviewed 3-star base in Cartagena at a price close to the city median. Skip it if you want to be right next to the Roman Theatre, or if you need detailed guest feedback on rooms, which our data does not include.
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Sold out? See available alternatives →Who it suits and who should skip it
Our Best Value pick for Cartagena is a 3-star hotel at Carlos III, 49. It works for couples, families and anyone on a short city break who wants a reliable score without paying luxury rates. Family rooms and a gym are listed by the property.
It is less suited to people who want the shortest possible walk to the main sights. Our Luxury pick sits closer to the Roman Theatre. It is also not the cheapest option in town, so pure budget travellers may prefer our Budget pick.
Location and getting around
Guests rate the location 8.8 out of 10. By straight-line estimate, the Punic wall is about 0.4 km away, roughly 5 minutes on foot. The Roman Theatre is about 0.7 km, around 9 minutes, and Cartagena Cathedral about 0.8 km, around 10 minutes.
Those are short walks, but real routes through the streets can take a little longer. Parking is not listed among the facilities, so if you are coming by car, check with the hotel before you travel.
What guests say
The hotel scores 8.7 from 4,071 reviews, joint second of 7 eligible properties in our sample. That is a large number of reviews, which makes the score more dependable than one based on a few hundred.
Our data does not include summaries of what guests specifically like or dislike here. That means we cannot tell you about the beds, the noise or the breakfast quality. Read a selection of recent reviews, sorted by date, to get a picture of current conditions.
Price and how it compares
Reference prices seen for a 2-night stay in November 2026 for 2 adults were €95.92 a night, about €192 for the two nights. That is only slightly above the €92.70 sample median. These are not live quotes, so check today's price for your dates.
Compared with our other picks: Posadas De España Cartagena, the Budget choice, was €65 a night with a score of 8.6. AC Hotel by Marriott Cartagena, the Luxury choice, was €137.91 with 9.0 and four stars. So you pay about €31 more than the Budget option for a slightly higher score, and save about €42 a night against the Luxury option.
Listed facilities are free Wi-Fi, a fitness centre and air conditioning. Breakfast options include continental and buffet. Opening times and fees are not confirmed.
Why it made our top 3
We compared 7 eligible hotels in Cartagena. The Best Value slot balances guest score, number of reviews and reference price, so it is not necessarily the cheapest. With 8.7 from more than 4,000 reviews at a price near the median, this hotel gave the best balance of the three factors.
Before you book
Check whether breakfast is included in your rate, since that has not been assessed. Read the cancellation terms. Room size, noise and renovation condition are also unverified, so recent guest photos are worth a look. If you are driving, ask about parking, which is not listed. If you need a family room, confirm availability for your dates.
Check prices on Booking.com ↗We may earn a commission if you book. It never changes our pick.
Sold out? See available alternatives →Questions travellers ask
How far is Sercotel Carlos III from the Roman Theatre in Cartagena?
About 0.7 km in a straight line, around 9 minutes on foot. The cathedral is about 10 minutes and the Punic wall about 5.
Does Sercotel Carlos III have a gym?
Yes, a fitness centre is listed by the property. Check opening hours and any conditions when you book.
Is breakfast included?
Continental and buffet breakfasts are offered, but inclusion depends on your rate. Confirm it before paying.
How much does a night cost?
Reference prices seen for a 2-night stay in November 2026 for 2 adults were €95.92 a night. Check today's price for your own dates.
Is it good for families?
Family rooms are listed. We have no guest comments on family stays, so confirm the room layout with the hotel.