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Alsik Hotel & Spa

4.0 star property
Travelers plan their day of exploration by the fireplace with a hot drink, just minutes from historic sites like Dybbol Mill and Sonderborg Castle

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Photo gallery for Alsik Hotel & Spa

An outdoor dining area with tables and chairs, overlooking a body of water and a modern building with glass windows. - Alsik Hotel & Spa (Sønderborg)
Body treatments, body scrubs, facials, manicures and pedicures - Alsik Hotel & Spa (Sønderborg)
A modern restaurant with wooden panel ceilings, multiple dining tables, and chairs. - Alsik Hotel & Spa (Sønderborg)
A modern high-rise building with a prominent 'alsik' sign at the top, surrounded by other contemporary structures. - Alsik Hotel & Spa (Sønderborg)
A modern building with large glass windows overlooking a river and cityscape. - Alsik Hotel & Spa (Sønderborg)
Steigenberger Alsik - Hotel & Spa offers a peaceful retreat near cultural landmarks. Enjoy international cuisine at three restaurants, spa treatments, stunning terrace views, indoor/outdoor pools, bike rentals, and attentive staff for a refreshing experience.

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Pool
  • Pet friendly
  • Free WiFi
  • Air conditioning

Room options

Available filters for rooms
Showing 7 of 7 rooms

Standard Room

9.4 out of 10
Exceptional
(103 reviews)
  • 25 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed OR 2 Twin Beds
  • Free WiFi

View all photos for Junior Suite, 1 King Bed

Junior Suite, 1 King Bed | In-room safe, desk, soundproofing, iron/ironing board

Junior Suite, 1 King Bed

9.8 out of 10
Exceptional
(18 reviews)
  • 45 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Premium Double Room, 1 King Bed

A modern room with a curved lounge chair and ottoman, a large window with a view of a cityscape, and a black and white rug.

Premium Double Room, 1 King Bed

9.6 out of 10
Exceptional
(66 reviews)
  • Sea view
  • 25 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Premium Double Room, 1 King Bed, Sea View, Corner

A modern room with a curved lounge chair and ottoman, a large window with a view of a cityscape, and a black and white rug.

Premium Double Room, 1 King Bed, Sea View, Corner

9.8 out of 10
Exceptional
(69 reviews)
  • Sea view
  • 33 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

DOUBLE PREMIUM KING BED

  • Sleeps 4
  • Free WiFi

DOUBLE PREMIUM OCEAN VIEW

  • Sleeps 4
  • Free WiFi

DOUBLE PREMIUM

  • Sleeps 4
  • Free WiFi

About the neighborhood

Located in Sønderborg, Alsik Hotel & Spa is in the city center and on the waterfront. Alsion and Dybbol Mill are cultural highlights, and some of the area's popular attractions include Danfoss Universe and Universe Science Park. Sonderborg Castle and Dybbøl Banke Battlefield are two other places to visit that come recommended. Visit our Sønderborg travel guide
Map
Nørre Havnegade 21-25, Sønderborg, Syddanmark, 6400

What's nearby

  • Sønderborg Havn
    4 min walk - 0.3 miles
  • Sonderborg Raadhus
    10 min walk - 0.5 miles
  • Sonderborg Castle
    11 min walk - 0.6 miles
  • Den gule strand
    14 min walk - 0.8 miles
  • Alsion
    16 min walk - 0.9 miles

Getting around

  • Sønderborg Station
    13 min walk
  • Sonderborg (SGD)
    9 min drive

Restaurants

  • Burger King
    3 min drive
  • Sushi & More ApS
    12 min walk
  • Skaal
    10 min walk
  • Kisling's kaffebar
    10 min walk
  • Torve Hallen
    5 min walk

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Electric car charging station on site
  • Height restrictions apply for onsite parking
  • 24-hour offsite parking (DKK 140 per day)

Food and drink

  • 3 restaurants
  • A bar/lounge
  • A coffee shop/cafe
  • Coffee and tea in common areas
  • Snack bar/deli

Restaurants on site

  • Alsik
  • Freia
  • Syttende

Things to do

  • 24-hour gym
  • Bicycle rentals
  • Full-service spa
  • Indoor pool
  • Outdoor pool
  • Sauna

Family friendly

  • In-room refrigerator
  • Indoor pool
  • Outdoor pool
  • Snack bar/deli
  • Soundproofed rooms

Conveniences

  • 24-hour front desk
  • Free newspapers in lobby
  • Hair salon
  • Luggage storage
  • Safe at front desk

Guest services

  • Concierge services
  • Dry cleaning/laundry service
  • Housekeeping (daily)
  • Tour and ticket assistance

Business services

  • 10 meeting rooms
  • Conference center (4,004 square feet of space)

Outdoors

  • On the waterfront
  • Terrace

Full-service spa

  • Body scrubs
  • Facials
  • Manicures/pedicures
  • Massage

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Elevator
  • Stair-free path to entrance
  • Well-lit path to entrance
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible business center
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible public washroom
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible restaurant
  • Wheelchair-width doorways

More

  • 1 building
  • 19 floors
  • Banquet hall
  • Built in 2019
  • Fireplace in lobby
  • Smoking not allowed

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Bathrobes
  • Free toiletries
  • Hair dryer
  • Heated bathroom floor
  • Shampoo
  • Shower
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 49-inch flat-screen TV
  • Tablet computer

Food and drink

  • Coffee/tea maker
  • Electric kettle
  • Espresso maker
  • Free bottled water
  • Limited room service
  • Refrigerator
  • Restaurant dining guides

More

  • Air conditioning
  • Connecting rooms available
  • Desk
  • Heated floor
  • Iron/ironing board
  • Phone
  • Safe
  • Soundproofed rooms

Policies

Check-in

Check-in start time: 3:00 PM; Check-in end time: 2:00 AM
Late check-in subject to availability
Minimum check-in age: 18

Check-out

Check-out before 11:00 AM

Special check-in instructions

Front desk staff will greet guests on arrival at the property
If you are planning to arrive after 2:00 AM please contact the property in advance using the information on the booking confirmation
Information provided by the property may be translated using automated translation tools

Renovations and closures

The following facilities are closed on Christmas Eve and New Year's Eve:
  • Bar/lounge
  • Dining venue(s)

Access methods

Staffed front desk

Pets

Pets allowed for an extra charge of DKK 300 per pet, per day
Service animals are welcome, and are exempt from fees
Welcoming dogs only
2 total (up to 44 lbs per pet)
Specific rooms only; pet-friendly rooms can be requested by contacting the property at the number on the booking confirmation
Food and water bowls are available

Children and extra beds

Children are welcome
Cribs (infant beds) are not available

Property payment types

Important information

Optional extras

  • Nearby parking fee: DKK 140 per day(328 ft away; open 24 hours)
  • Pet fee: DKK 300 per pet, per day
  • Service animals are exempt from fees
  • Pool fee: DKK 595 per person
  • Spa fee: DKK 595 per person
  • Credit card charges are subject to a surcharge

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Safety features at this property include a fire extinguisher, a smoke detector, and a security system
Please note that cultural norms and guest policies may differ by country and by property; the policies listed are provided by the property

We should mention

The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation
Parking height restrictions apply

Frequently asked questions

Does Alsik Hotel & Spa have a pool?

Yes, this property has an indoor pool and an outdoor pool.

Is Alsik Hotel & Spa pet-friendly?

Yes, this property allows dogs (limit 2 total) with a maximum weight of up to 44 lbs per pet. There's a fee of DKK 300 per pet, per day. Service animals are exempt from fees.

What time is check-in at Alsik Hotel & Spa?

Check-in start time: 3:00 PM; Check-in end time: 2:00 AM. Late check-in is available during limited hours.

What time is check-out at Alsik Hotel & Spa?

Check-out is at 11:00 AM.

Where is Alsik Hotel & Spa located?

Located in the heart of Sønderborg, this spa hotel is within a 15-minute walk of Sonderborg Castle and Alsion. Dybbøl Banke Battlefield and Dybbol Mill are also within 2 mi (3 km). Sønderborg Station is 13 minutes by foot.

Can I cancel my reservation for free and receive a full refund?

Yes, this property offers free cancellation on select room rates, because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.

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Reviews

Alsik Hotel & Spa Reviews

9.4

Exceptional

9.6

Cleanliness

9.6

Amenities

9.6

Staff & service

9.6

Property conditions & facilities
Rating 10 - Excellent. 823 out of 1088 reviews
Rating 8 - Good. 192 out of 1088 reviews
Rating 6 - Okay. 47 out of 1088 reviews
Rating 4 - Poor. 17 out of 1088 reviews
Rating 2 - Terrible. 9 out of 1088 reviews

Reviews

Verified review

10/10 Excellent

Dale

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Best Hotel

Always excellent place to stay. This is one of my favorite hotels in the world. Beautiful area, great food especially the breakfast.
Stayed 2 nights in Sep 2025
Verified review

10/10 Excellent

Cecilia

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
A very nice and modern hotel - best hotel breakfast I ever had, although I missed the orange juice (!)
Stayed 2 nights in Aug 2025
Verified review

10/10 Excellent

Bart

Liked: Cleanliness, staff & service, property conditions & facilities
Very nice location
Stayed 3 nights in Jan 2025
Verified review

10/10 Excellent

Dale

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Lovely area

EXCELLENT HOTEL.....one of my favorites as I travel often for business and pleasure. Breakfast is awesone...dinner is wonderful but expensive. Great Spa attached...world class.
Stayed 2 nights in May 2025
Verified review

10/10 Excellent

Dale

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Denmark beauty!

Excellent hotel, clean and friendly. Breakfast is one of my global favorites!! Great facility including a beautiful spa.
Stayed 3 nights in Nov 2024
Verified review

8/10 Good

Barbara

Liked: Cleanliness, amenities, property conditions & facilities
We stayed for two nights over New Year’s Eve at the Alsik Spa Hotel, and overall we were very impressed with our stay. The hotel itself is beautiful, modern, and extremely clean. From the moment we arrived, the staff at the reception were very friendly and welcoming. We had booked a Junior Suite with breakfast on the 8th floor, and it exceeded our expectations. The room was spacious, stylish, and impeccably maintained, and the view was fantastic – especially over New Year’s Eve, which made the stay even more special. Breakfast was excellent, and the overall service, room quality, and hotel atmosphere were outstanding. We would absolutely love to return. The only real downside was the spa area. Even as hotel guests, access to the spa comes at an additional cost, which is quite high. Although hotel guests pay less than external visitors, a 3-hour spa slot costs over €40 per person, which is not insignificant. The spa itself is clean, modern, and very well equipped, so there is nothing to complain about in terms of facilities. However, at this price point, one naturally expects excellent service and hospitality. Unfortunately, this is where our experience fell short. Some of the spa staff appeared unorganized and not particularly friendly, at times even a bit condescending. For example, after our spa visit, we simply asked for a fresh bathrobe to use in our room, as the spa bathrobe was completely soaked. Initially, we were told this would be charged extra, which we found ver
Stayed 2 nights in Dec 2025
Verified review

10/10 Excellent

Dale

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This is one of my favorite hotels in the world. Excellent
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Dale

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Excellent hotel and service
Stayed 1 night in Nov 2025
Verified review

10/10 Excellent

Ole Bigum

-
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Kristian

Super
Stayed 1 night in Oct 2025
Verified review

8/10 Good

Anne

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
V
Stayed 1 night in Nov 2025
Verified review

10/10 Excellent

Troels

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Fantastic hotel. Should have 5 stars
Stayed 2 nights in Oct 2024
Verified review

10/10 Excellent

Lars

Liked: Cleanliness, staff & service, amenities
WOW👍
Stayed 1 night in Oct 2025
Verified review

2/10 Terrible

Johanna

Disliked: Cleanliness, staff & service, property conditions & facilities, room comfort
I didn't get the chance to stay here. I needed to move my stay one day and it couldn't be done and I didn't get any refund.
Stayed 2 nights in Jun 2025
Verified review

4/10 Poor

Rasmus

Disliked: Staff & service

Hmmm, boring and no soul

Hmmm, what to say - expectations were rather moderate, we did however arrive and with a version of expectations to be meet with a smile. Alsik as a hotel is for the guest who wants cold, simple & conference look alike. We are more in thw mindset of quality rather than quantity, we cannot recommend as it lacks personality and service minded staf.
Stayed 1 night in Apr 2025
Verified review

10/10 Excellent

Walter

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
all ok
Stayed 2 nights in Jun 2026
Verified review

10/10 Excellent

Tina

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Dejligt værelse, hjælpsomt og imødekommende personale. Super lækker morgenmad.
Stayed 1 night in May 2026
Verified review

10/10 Excellent

Stine

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Dejligt med smuk udsigt fra 6. Etage
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Jens Otto Riis

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fremragende hotel helt i topklasse 👌👌👌👌👌
Stayed 1 night in Apr 2026
Verified review

2/10 Terrible

Heidi Svane

Liked: Cleanliness, staff & service, property conditions & facilities
Disliked: Amenities
Vi fik slet ikke mulighed for at bruge spaen
Stayed 2 nights in Apr 2026
Verified review

10/10 Excellent

Torben

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Super god oplevelse
Stayed 1 night in Apr 2026
Verified review

8/10 Good

Helle

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Jeg synes Alsik er et fint hotel. Men i min verden når man betaler over 500kr for at komme i spa skal der bare være lige det ekstra, det var bare standard ift andre steder Og morgenmaden var lidt kold og tør, nok fordi der ikke var så mange mennesker den ene morgen. Men værelset absolut fint med den skønneste udsigt. OK service.
Stayed 2 nights in Apr 2026
Verified review

8/10 Good

Ingemann

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Alt i alt i topklasse. Små skønshedsfejl så som et skohorn der mangler.
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Rasmus Fontain

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Rent, venlige medarbejdere og rigtig dejlig mad.
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

søren

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Virkelig en god oplevelse, især morgenmaden. Der var bare det hele 👍👍
Stayed 1 night in Mar 2026