Alsik Hotel & Spa

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Luxury
4.0 star property
9.4

Exceptional

Upscale hotel near Sonderborg Castle

Located close to Alsion and Dybbol Mill, Alsik Hotel & Spa provides a terrace, a coffee shop/cafe, and a hair salon. Indulge in a body scrub, a manicure/pedicure, and a facial at the onsite spa. At the 3 on-site restaurants, enjoy breakfast, lunch, dinner, and international cuisine. Free in-room WiFi is available to all guests, along with dry cleaning/laundry services and a fireplace in the lobby.

Popular amenities

  • Pool
  • Spa
  • Pet friendly
  • Free WiFi
  • Air conditioning
The current price is NT$6,657
NT$8,321 total
includes taxes & fees
Nov 22 - Nov 23

Room options

Available filters for rooms
Showing 4 of 4 rooms

Standard Room

9.4 out of 10
Exceptional
(107 reviews)
  • 269 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed OR 2 Twin Beds

View all photos for Junior Suite, 1 King Bed

Room

Junior Suite, 1 King Bed

9.8 out of 10
Exceptional
(20 reviews)
  • 484 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

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
(70 reviews)
  • Sea view
  • 269 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

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
(73 reviews)
  • Sea view
  • 355 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
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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 - 0.4 km
  • Mølleparken
    7 min walk - 0.7 km
  • Sonderborg Raadhus
    10 min walk - 0.8 km
  • Sonderborg Castle
    11 min walk - 1.0 km
  • Alsion
    16 min walk - 1.3 km

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
  • Visselulles vinbar
    8 min walk

About this property

Alsik Hotel & Spa

  • Upscale hotel near Sonderborg Castle
  • Located close to Alsion and Dybbol Mill, Alsik Hotel & Spa provides a terrace, a coffee shop/cafe, and a hair salon. Indulge in a body scrub, a manicure/pedicure, and a facial at the onsite spa. At the 3 on-site restaurants, enjoy breakfast, lunch, dinner, and international cuisine. Free in-room WiFi is available to all guests, along with dry cleaning/laundry services and a fireplace in the lobby.
  • Other perks include:
    • An indoor pool and an outdoor pool
    • Bike rentals, an electric car charging station, and a banquet hall
    • 10 meeting rooms, coffee/tea in the lobby, and a 24-hour front desk
    • An elevator, luggage storage, and concierge services
    • Guest reviews give top marks for the helpful staff
  • Room features
  • All 190 rooms boast comforts such as heated floors and air conditioning, as well as thoughtful touches like free WiFi and safes.
  • Other amenities include:
    • Heated floors, showers, and free toiletries
    • Wardrobes/closets, heated floors, and refrigerators

Awards and affiliations

  • Sustainability Certifications
  • This property is certified by this third-party sustainability certification scheme: Green Key (Foundation for Environmental Education). For more information on what this certification requires and verifies, please visit their website.

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  • Pool
  • Pet friendly
  • Parking included
  • Free WiFi
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The price is NT$3,487
NT$4,359 total
includes taxes & fees
Nov 21 - Nov 22
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Frequently asked questions

Does Alsik Hotel & Spa have a pool?

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

How much does it cost to stay at Alsik Hotel & Spa?

As of 2026/10/24, prices found for a 1-night stay for 2 adults at Alsik Hotel & Spa on 2026/11/22 start from NT$6,657, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

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

9.4

Amenities

9.6

Staff & service

9.6

Property conditions & facilities
Rating 10 - Excellent. 850 out of 1127 reviews
Rating 8 - Good. 196 out of 1127 reviews
Rating 6 - Okay. 52 out of 1127 reviews
Rating 4 - Poor. 19 out of 1127 reviews
Rating 2 - Terrible. 10 out of 1127 reviews

Reviews

Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Perfect located hotel with a spectacular view from the upper floors. Excellent breakfast menu with a great variety. Try the spa, it's amazing!
Stayed 1 night in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Super clean hotel and room and very comfortable bed. Lovely atmosphere. Excellent breakfast buffet. Great walkable location. Highly recommend.
Stayed 2 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The room and the view were stunning and so enjoyable ! The Spa is nice , but quite overpriced. Independently owned . Would love to see it owned by the hotel, so you could use the pool without added cost. The pool room though was so steaming hot that my breathing could not tolerate it.
Stayed 2 nights in Aug 2026
Verified review

10/10 Excellent

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

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

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

8/10 Good

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

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

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean environment
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

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

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
X
Stayed 2 nights in May 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
...........................
Stayed 2 nights in Jul 2026
Verified review

10/10 Excellent

-
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities
R
Stayed 1 night in Feb 2026
Verified review

10/10 Excellent

Super
Stayed 1 night in Oct 2025
Verified review

8/10 Good

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

10/10 Excellent

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

2/10 Terrible

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

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

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Super lækkert hotel og skøn morgenmad, samt sødt og venligt personale. Værelset var lækkert, god størrelse og fantastisk udsigt. Vi nød begge to opholdet.
Stayed 2 nights in Jul 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Rigtig god oplevelse Værelset og udsigten var fantastisk . Vi spiste både morgenmad frokost og middag på hotellet Alle tre måltider var lækre , særligt udvalget om morgenen var fremragende Tjenerne var søde og hjælpsomme . Vi var dog lidt overraskede over prisen på 3 timers spa og ikke så imponerede over receptionen. Vi manglede information om parkering og adgang til hotellet
Stayed 2 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fantastisk hotel som er værd at besøge..
Stayed 1 night in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Som altid en fornøjelse at overnatte på Alsik. Uden tvivl den bedste hotel morgenmadsbuffet jeg kender til.
Stayed 2 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Morgenmadsbuffet i særklasse, friske hjemmelavede specialiteter 😍
Stayed 2 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Super beliggenhed og service. Morgenmaden var rigtig god, og værelser m senge dejligt.
Stayed 2 nights in Jul 2026