# Patarei Sea Fortress, Estonia: what it is and when to go > Patarei Sea Fortress is a sea fortress in Tallinn, Estonia (Patarei merekindlus). Interests: History. The best time to visit is May to September. In June there are 18 h 15 of daylight, and in December, 5 h 45. It has articles in 5 Wikipedias, so it is not one of the busiest places in Estonia: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/estonia/patarei/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Sea fortress in Tallinn, Estonia · History - **Local name:** Patarei merekindlus - **Where:** Estonia · Kalaranna 28/1, 10415, Tallinn - **Best time:** May to September. - **Nearest airport:** TLL Tallinn, 6.6 km as the crow flies - **Website:** [merekindlus.ee](https://merekindlus.ee/) - **Coordinates:** 59.45035, 24.74214 ## What it is and where Patarei Sea Fortress is a sea fortress in Tallinn, Estonia (Patarei merekindlus). It has articles in 5 Wikipedias, so it is not one of the busiest places in Estonia: one to enjoy at a calmer pace. It is in [Tallinn](https://kokai.app/en/paises/europa/estonia/tallin/), where this site lists 190 more places to see, 2.0 km from the centre. Its coordinates are 59.45035, 24.74214; the nearest main airport is Lennart Meri Tallinn Airport (TLL, Tallinn), 6.6 km as the crow flies. How to get around Estonia (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/estonia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=59.450346%2C24.742141) - [Directions](https://www.google.com/maps/dir/?api=1&destination=59.450346%2C24.742141) It is one of the [History](https://kokai.app/en/paises/europa/estonia/historia/) places in Estonia. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Patarei Sea Fortress is **May to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 6 h 30 | | February | Possible | 8 h 51 | | March | Possible | 11 h 22 | | April | Possible | 14 h 10 | | May | Best time | 16 h 42 | | June | Best time | 18 h 15 | | July | Best time | 17 h 35 | | August | Best time | 15 h 16 | | September | Best time | 12 h 30 | | October | Possible | 9 h 47 | | November | Better not | 7 h 12 | | December | Possible | 5 h 45 | In June there are 18 h 15 of daylight, and in December, 5 h 45. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Estonia in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/estonia/#cuando-ir). ## Before you go to Estonia To enter Estonia there are 5 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Estonia checklist](https://kokai.app/en/paises/europa/estonia/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz (the same plug as in Spain); emergencies: 112. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Seaplane Hangars in Tallinn](https://kokai.app/en/paises/europa/estonia/seaplane-harbour/): Building in Tallinn, Estonia · 260 m - [EML Lembit](https://kokai.app/en/paises/europa/estonia/eml-lembit/): 1936 Kalev-class submarine · 263 m - [Suur Tõll](https://kokai.app/en/paises/europa/estonia/suur-toll/): Estonian icebreaker built in 1914 · 362 m - [Mare](https://kokai.app/en/paises/europa/estonia/mare/): Estonian ship · 363 m - [P401 Grif](https://kokai.app/en/paises/europa/estonia/grif-p401/): 1976 Estonian warship · 378 m Distances are as the crow flies. Everything else is in [the Estonia guide](https://kokai.app/en/paises/europa/estonia/). ## More in Estonia: History - [Toompea Castle](https://kokai.app/en/paises/europa/estonia/toompea-castle/): castle in Tallinn, Estonia - [Hermann Castle](https://kokai.app/en/paises/europa/estonia/hermann-castle/): castle in Narva, Estonia - [Kuressaare Castle](https://kokai.app/en/paises/europa/estonia/kuressaare-castle/): castle in Kuressaare, Estonia - [Kadriorg Palace](https://kokai.app/en/paises/europa/estonia/kadriorg-palace/): palace in Tallinn, Estonia - [Haapsalu Castle](https://kokai.app/en/paises/europa/estonia/haapsalu-episcopal-castle/): castle with cathedral in Haapsalu, Estonia - [Pikk Hermann](https://kokai.app/en/paises/europa/estonia/pikk-hermann/): tower in Tallinn Every Estonia place under History, each with its season, is on [its page](https://kokai.app/en/paises/europa/estonia/historia/). ## Frequently asked questions ### What is Patarei Sea Fortress? It is a sea fortress in Tallinn, Estonia (Patarei merekindlus in the local language). It has articles in 5 Wikipedias, so it is not one of the busiest places in Estonia: one to enjoy at a calmer pace. ### When is the best time to visit Patarei Sea Fortress? May to September. In June there are 18 h 15 of daylight, and in December, 5 h 45. ### How do you get to Patarei Sea Fortress? The nearest main airport is Lennart Meri Tallinn Airport (TLL), 6.6 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=59.450346%2C24.742141) opens the route on the map, and how to get around Estonia is explained in [its country guide](https://kokai.app/en/paises/europa/estonia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Estonia map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Seaplane Hangars in Tallinn](https://kokai.app/en/paises/europa/estonia/seaplane-harbour/), [EML Lembit](https://kokai.app/en/paises/europa/estonia/eml-lembit/), [Suur Tõll](https://kokai.app/en/paises/europa/estonia/suur-toll/). The rest is in [the Estonia guide](https://kokai.app/en/paises/europa/estonia/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/5192770), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q14954945), CC0. More about Patarei Sea Fortress on [Wikipedia](https://en.wikipedia.org/wiki/Patarei_Prison). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).