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Mariehamn eSIM

61 Åland Islands plans · from $2.35

Mariehamn is the capital of Åland, an autonomous, Swedish-speaking archipelago of some 6,700 islands sitting between Finland and Sweden. Åland is Finnish territory served by Finnish networks — it carries its own ISO code, which is why it appears separately here, but a Finland plan generally covers it.

Landing at Mariehamn Airport (MHQ)

The airport handles limited regional flights. Most visitors arrive by ferry — five to six hours from Stockholm or Turku, and the big Baltic ferries call here en route between the two.

eSIM plans that cover Mariehamn

Mariehamn is covered by every Åland Islands plan below — there is no separate city-only eSIM to buy.

Choose a data plan

1 GB

7 days· 0.6 GB per $1

$2.35

★ BEST VALUE

Unlimited

1 days· ∞ GB per $1

$2.74

2 GB

15 days· 0.7 GB per $1

$3.83

3 GB

30 days· 0.8 GB per $1

$4.82

Unlimited

3 days· ∞ GB per $1

$5.65

5 GB

30 days· 0.9 GB per $1

$6.50

Unlimited

5 days· ∞ GB per $1

$8.69

10 GB

30 days· 1.2 GB per $1

$10.03

Unlimited

7 days· ∞ GB per $1

$11.88

Unlimited

10 days· ∞ GB per $1

$16.29

20 GB

30 days· 1.4 GB per $1

$16.50

Unlimited

15 days· ∞ GB per $1

$24.12

50 GB

30 days· 1.6 GB per $1

$36.48

Unlimited

30 days· ∞ GB per $1

$46.88

20 GB

Global - Light only

60 days· 0.4 GB per $1

$57.64

100 GB

30 days· 1.6 GB per $1

$71.82

50 GB

Global - Light only

90 days· 0.4 GB per $1

$135.29

100 GB

Global - Light only

90 days· 0.5 GB per $1

$236.48

100 GB

Global - Light only

180 days· 0.4 GB per $1

$283.53

Which networks you'll be on in Mariehamn

Siima eSIMs covering Åland ride Ålcom and the Finnish operators. The main islands are well covered; the outer archipelago is thinner.

Coverage around Mariehamn

Mariehamn and the main island

Good coverage across the town, the maritime quarter and the cycling routes on Fasta Åland.

The archipelago ferries

The inter-island ferries — free for foot passengers on many routes — hold signal near the larger islands and drop in the open channels.

The Baltic crossing

The long ferry legs to Stockholm and Turku pass through stretches with no coverage, and the Swedish half of the route is a different country entirely.

Bomarsund and the outer islands

The historic sites and the eastern islands have coverage in the villages, thinning across the smaller skerries.

How much data you need

A few days on Åland is under 1 GB. It is a cycling-and-ferry destination and there is not much to be online for.

Work it out with our data usage calculator →

Frequently asked questions

Does a Finland eSIM cover the Åland Islands?
Generally yes — Åland is an autonomous region of Finland served by Finnish networks. It has its own ISO country code, which is why some plan lists show it separately, but it is not a separate country for travel purposes.
Will my plan work on the ferry to Stockholm?
Only while you are in Finnish waters. The crossing passes through areas with no coverage, and Sweden needs its own plan — a Europe regional plan covers both ends of the route.
How do I set up an eSIM before arriving in Mariehamn?
Install it at home while you still have Wi-Fi: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Leave the line switched off until you land — the plan starts counting from first use in Åland Islands, not from purchase.
How much data do I need for a trip to Mariehamn?
A few days on Åland is under 1 GB. It is a cycling-and-ferry destination and there is not much to be online for.
Is an eSIM cheaper than roaming in Mariehamn?
Almost always. Daily roaming passes from most home carriers run $10–15 per day, while Siima plans covering Mariehamn start from $2.35 for the whole trip. You also avoid per-megabyte charges if you exceed a roaming pass allowance.
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