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 manicure/pedicure, a body treatment and a body scrub at the on-site 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 reception.

Popular amenities

  • Pool
  • Spa
  • Pet-friendly
  • Free Wi-Fi
  • Air-conditioning
The current price is ฿6,024
฿7,530 total
includes taxes & fees
10 Dec - 11 Dec

Room options

Available filters for rooms
Showing 4 of 4 rooms

Standard Room

9.4 out of 10
Exceptional
(109 reviews)
  • 25 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed OR 2 Single Beds

View all photos for Junior Suite, 1 King Bed

Room

Junior Suite, 1 King Bed

9.8 out of 10
Exceptional
(20 reviews)
  • 45 sq m
  • 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
  • 25 sq m
  • 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
(74 reviews)
  • Sea view
  • 33 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
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About the area

Located in Sønderborg, Alsik Hotel & Spa is in the city centre 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 Castle
    11 min walk - 1.0 km
  • Flensburg Fjord
    14 min walk - 1.2 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
  • Restorante Fratelli
    10 min walk
  • Torve Hallen
    5 min walk
  • Sushi & More ApS
    12 min walk
  • Skaal
    10 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 manicure/pedicure, a body treatment and a body scrub at the on-site 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 reception.
  • Other perks include:
    • An indoor pool and an outdoor pool
    • Bike hire, an electric car charging station and a 24-hour front desk
    • A lift, luggage storage and a banquet hall
    • Coffee/tea in reception, tour/ticket information and a front desk safe
    • Guest reviews speak highly of the helpful staff
  • Room features
  • All 190 rooms offer comforts such as heated floors and air conditioning, as well as thoughtful touches such as free WiFi and safes.
  • Extra amenities include:
    • Heated floors, showers and free toiletries
    • Wardrobes/cupboards, heated floors and fridges

Awards and affiliations

  • Eco-certified property
  • 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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  • Pet-friendly
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  • Free Wi-Fi
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The price is ฿3,743
฿4,679 total
includes taxes & fees
10 Dec - 11 Dec
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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 9 Nov 2026, prices found for a 1-night stay for 2 adults at Alsik Hotel & Spa on 10 Dec 2026 start from ฿6,024, 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 20 kg 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?

Checkout 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 selected 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. 851 out of 1133 reviews
Rating 8 - Good. 201 out of 1133 reviews
Rating 6 - Okay. 53 out of 1133 reviews
Rating 4 - Poor. 19 out of 1133 reviews
Rating 2 - Terrible. 9 out of 1133 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

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
O hotel é maravilhoso. Tem uma infra-estrutura moderna, funcionários prestativos e uma localização privilegiada próxima aos principais pontos turísticos. O quarto com vista para o mar/fiorde realmente vale a pena: a vista é linda, especialmente ao pôr do sol, garantindo um visual romântico ideal para casais. Além disso, o quarto era muito confortável, com todos os itens necessários para garantir máximo conforto - ponto alto: roupão e chinelos, e kit completo de higiene! O café da manhã é super variado e tudo estava perfeitamente delicioso. Recomendo ainda para aqueles que quiserem ter um momento de bem-estar usar a piscina do spa. Vale muito a pena para um fim de tarde relaxante. O ponto alto foram as piscinas externas com vista para o mar!
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Hotel Alsik levede fuldt op til forventningerne — og lidt til. Allerede i receptionen blev vi mødt af et personale, der var oprigtigt imødekommende og hjælpsomme uden at være anmassende. Intet var for besværligt, og de havde altid et godt tip til, hvad vi kunne opleve i Sønderborg. Værelset var lyst, moderne og pinligt rent, med en helt fantastisk udsigt over vandet. Sengen var i den kategori, hvor man overvejer at sove længe med vilje. Restauranten fortjener særlig ros. Maden var flot anrettet og velsmagende og betjeningen ved bordet var både professionel og varm. Morgenmaden havde et stort og lækkert udvalg.
Stayed 2 nights in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Og ja, prisen er til den pæne side, men klart en oplevelse der er pengene værd. Alt fungerer, og maden er ualmindelig god. Morgenbuffet, tvivler på den kan fåes bedre noget sted.
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Super skønt hotel
Stayed 3 nights in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Alt var godt. Hvis jeg skal nævne noget, så var det lidt irriterende at der først blev gjort rent kl. 17 på dag 2. Hvis vi havde vist det i forvejen ville vi har droppet rengøringen på dag 2.
Stayed 1 night in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Disliked: Amenities
Det er et super lækkert hotel, og det ligger fantastisk restauranten er top, og der er ikke langt til byen hvor der også er et bredt udvalg af restauranter og seværdigheder. Faciliteterne er blevet lidt for opblæst i forhold til hvad man også betaler for hotellet
Stayed 3 nights in Mar 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Flot udsigt fra de øverste etager
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Fantastiske og flotte værelser i særklasse. Og hvilken udsigt fra værelset, ikke mindre end magisk. Morgenmaden var der heller ikke en finger at sætte på, alt i alt et fremragende ophold.
Stayed 1 night in Jul 2026