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Experience seals in the Vadehavet – Denmark's largest predator

Seals are a vital part of the Vadehavet ecosystem and a fantastic nature experience. Learn about Denmark's largest predator, where to spot them from land, and how to get up close on a seal safari.

Visit Rømø og TønderUpdated 10/08/2026
Kort resume

Oplev Danmarks største rovdyr i Nationalpark Vadehavet. Spot sælerne fra kysten ved Juvre eller tag med på en spændende sælsafari for at se de fascinerende dyr i deres naturlige omgivelser.

Lokation

Rømø og Vadehavet

Højdepunkt

Sælsafari med båd eller kutter

Sælarter

Spættet sæl og grå sæl

Udstyr

Medbring kikkert

Seals are a vital part of the ecosystem in Vadehavet. Here, their development is considered an important indicator of the health of Vadehavet — a lack of food, accumulation of environmental toxins, and similar factors affect the population. And of course, it is a fantastic experience to observe the seals in their natural surroundings.

The Seal — the largest predator in Vadehavet

Seals are the largest predators in the entire Vadehavet, where they hunt for fish and crustaceans. The seal species found in Vadehavet around Rømø is mostly the small harbor seal, weighing up to 130 kg. However, you might also be lucky enough to catch a glimpse of the large grey seal, which can weigh up to 300 kg — making it the largest predator in Denmark.


Harbor seal

The most common seal in Vadehavet — weighs up to 130 kg.


Grey seal

The large seal weighing up to 300 kg — Denmark's largest predator.

Two seals resting on the beach by Vadehavet
Seals use sandbanks and coastal areas as resting and breeding grounds.

📍 Where you can experience seals

Most seals stay in the sea, but they use sandbanks and coastal areas as resting and breeding grounds. Therefore, you may be lucky enough to spot a seal from the shore.

⚠️

Remember: Seals are wild animals

Keep your distance and never touch a seal. For a seal pup, contact with humans means certain death, as the mother will no longer accept the pup.

🔭 The best places to spot seals on Rømø

Juvre in the Vadehavet area on the east side — here you might be lucky enough to find a seal close to shore.

ℹ️ Bring binoculars, as the seals rest a bit further out in small groups. Without binoculars, you can only just spot them if the weather is good.

Seals on a sandbank in Vadehavet together with birds
Seals resting on a sandbank — often far out, so remember your binoculars.

See a seal with a guarantee… almost!

Spotting a seal can be a difficult task, and it always requires a bit of luck to be in exactly the right spot where the seal is resting. If you want to be sure to experience a seal — perhaps even many seals — you can join a seal safari from Rømø, Mandø, or from Sylt.

Large group of seals on a sandbank seen from a seal safari boat
On a seal safari, you get close to large groups of seals.

🎟️ Book a seal safari

Join us out on the flats and experience the seals in their natural habitat. Here are three great options:

Seal safari with Mandøpigen

Join a unique trip out on the flats with a boat specially built for Vadehavet.

Read more — from 385,-

Seal tour with Marskture

Hike out from Juvre on Rømø and experience the seals up close.

Read more — from 195,-

Seal safari with Sort Safari

Sail to Sylt, where seals can be observed from a fishing cutter.

Read more — from 375,-
Seal safari cutter sailing out in Vadehavet under a blue sky
A seal safari cutter heading out into Vadehavet — the almost-guaranteed seal experience.

Whether you spot the seals from land with binoculars or get close to them on a seal safari, meeting Denmark's largest predator is an unforgettable nature experience in Nationalpark Vadehavet.

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#sæler#Vadehavet#natur#sælsafari#Rømø#dyreliv#Nationalpark Vadehavet

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