# Maretarium, Finland: what it is and when to go

> Maretarium is a visitor attraction in Finland (Kotka). Interests: With kids and Wildlife. The best time to visit is December to March and June to September. In June there are 18 h 36 of daylight, and in December, 5 h 24. 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/finlandia/maretarium/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Activity · With kids, Wildlife
- **Where:** Finland · Sapokankatu 2, 48100, Kotka
- **Best time:** December to March and June to September.
- **Nearest airport:** HEL Helsinki (Vantaa), 110 km as the crow flies
- **Website:** [maretarium.fi](https://maretarium.fi/)
- **Coordinates:** 60.46114, 26.95068

## What it is and where

Maretarium is a visitor attraction in Finland (Kotka).

It is in [Kotka](https://kokai.app/en/paises/europa/finlandia/kotka/), where this site lists 17 more places to see, 901 m from the centre.

Its coordinates are 60.46114, 26.95068; the nearest main airport is Helsinki Vantaa Airport (HEL, Helsinki (Vantaa)), 110 km as the crow flies. How to get around Finland (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/finlandia/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=60.461145%2C26.950683)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=60.461145%2C26.950683)

It is one of the [With kids](https://kokai.app/en/paises/europa/finlandia/familia/) and [Wildlife](https://kokai.app/en/paises/europa/finlandia/fauna/) places in Finland. 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 Maretarium is **December to March and June to September**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Best time | 6 h 13 |
| February | Best time | 8 h 43 |
| March | Best time | 11 h 20 |
| April | Possible | 14 h 16 |
| May | Possible | 16 h 55 |
| June | Best time | 18 h 36 |
| July | Best time | 17 h 52 |
| August | Best time | 15 h 25 |
| September | Best time | 12 h 31 |
| October | Possible | 9 h 41 |
| November | Better not | 6 h 58 |
| December | Best time | 5 h 24 |

In June there are 18 h 36 of daylight, and in December, 5 h 24. 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.

| What you come for | Best time | Possible |
| --- | --- | --- |
| With kids | December to March and June to September | April to May and October |
| Wildlife | June to September | December to May and October |

It is not the same trip whatever you come for: Maretarium has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you.

When to go to Finland in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/finlandia/#cuando-ir).

## Before you go to Finland

To enter Finland there are 6 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Finland checklist](https://kokai.app/en/paises/europa/finlandia/#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

- [Ruotsinsalmi sea fortress](https://kokai.app/en/paises/europa/finlandia/ruotsinsalmi-sea-fortress/): Fortress in Kotka, Finland · 1.1 km
- [Maritime Centre Vellamo](https://kokai.app/en/paises/europa/finlandia/merikeskus-vellamo/): Maritime museum in Kotka, Finland · 1.3 km
- [Tarmo](https://kokai.app/en/paises/europa/finlandia/hoyryjaanmurtaja-tarmo/): Finnish icebreaker and museum ship launched in 1907 · 1.4 km
- [Varissaari](https://kokai.app/en/paises/europa/finlandia/fort-elisabeth/): Island in Kotka, Finland · 1.7 km
- [Kyminlinna](https://kokai.app/en/paises/europa/finlandia/kyminlinna/): Fortress in Kotka, Finland · 6.2 km

Distances are as the crow flies. Everything else is in [the Finland guide](https://kokai.app/en/paises/europa/finlandia/).

## More in Finland: With kids

- [Santa Claus Village](https://kokai.app/en/paises/europa/finlandia/santa-claus-village/): amusement Park in Rovaniemi, Finland
- [Linnanmäki](https://kokai.app/en/paises/europa/finlandia/linnanmaki/): amusement park in Helsinki, Finland
- [Santa Park](https://kokai.app/en/paises/europa/finlandia/santa-park/): Amusement Park in Finland
- [Moomin World](https://kokai.app/en/paises/europa/finlandia/moomin-world/): theme park in Naantali, Finland
- [Korkeasaari Zoo](https://kokai.app/en/paises/europa/finlandia/korkeasaari-zoo/): zoo in Helsinki, Finland
- [Ähtäri Zoo](https://kokai.app/en/paises/europa/finlandia/ahtari-zoo/): zoo in Ähtäri, Finland

Every Finland place under With kids, each with its season, is on [its page](https://kokai.app/en/paises/europa/finlandia/familia/).

## Frequently asked questions

### What is Maretarium?

It is a visitor attraction in Finland.

### When is the best time to visit Maretarium?

December to March and June to September. In June there are 18 h 36 of daylight, and in December, 5 h 24.

### How do you get to Maretarium?

The nearest main airport is Helsinki Vantaa Airport (HEL), 110 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=60.461145%2C26.950683) opens the route on the map, and how to get around Finland is explained in [its country guide](https://kokai.app/en/paises/europa/finlandia/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the Finland 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 [Ruotsinsalmi sea fortress](https://kokai.app/en/paises/europa/finlandia/ruotsinsalmi-sea-fortress/), [Maritime Centre Vellamo](https://kokai.app/en/paises/europa/finlandia/merikeskus-vellamo/), [Tarmo](https://kokai.app/en/paises/europa/finlandia/hoyryjaanmurtaja-tarmo/). The rest is in [the Finland guide](https://kokai.app/en/paises/europa/finlandia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/87264061), licensed under the ODbL. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).