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 facial, a body treatment and a manicure/pedicure 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 £196
includes taxes & fees
22 Oct - 23 Oct

Room options

Available filters for rooms
Showing 7 of 7 rooms

Standard Room

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

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
(19 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
(69 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
(71 reviews)
  • Sea view
  • 355 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

Room

  • Sleeps 4

Room

  • Sleeps 4

Room

  • Sleeps 4
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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 - 0.3 miles
  • Mølleparken
    7 min walk - 0.4 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
  • Skaal
    10 min walk
  • Sushi & More ApS
    12 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 facial, a body treatment and a manicure/pedicure 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 front desk safe
    • Free newspapers, a lift and a banquet hall
    • Luggage storage, tour/ticket information and smoke-free property
    • 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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Property amenities

Internet

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

Parking and transport

  • Electric car charging station on site
  • Height restrictions apply for on-site 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 centre (4,004 square foot 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.
  • Lift
  • Stair-free path to entrance
  • Well-lit path to entrance
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible business centre
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path to lift
  • Wheelchair-accessible public bathroom
  • 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

  • Dressing gowns
  • 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 for Christmas Eve and New Year's Eve:
  • Bar/lounge
  • Dining venue

Access methods

Staffed front desk

Pets

Pets are 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 20 kg per pet)
Specific rooms only; pet-friendly rooms can be requested by contacting the property on the number on the booking confirmation
Food and water bowls are available

Children and extra beds

Children are welcome
Cots (infant beds) are not available

Payment types at the property

American ExpressMastercardVisa

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

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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
If you cancel your booking, you'll be subject to the host's cancellation policy. In accordance with UK consumer law, property booking services are not subject to the right of withdrawal.

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.

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

As of 21 Sept 2026, prices found for a 1-night stay for 2 adults at Alsik Hotel & Spa on 22 Oct 2026 start from £196, including 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. 837 out of 1104 reviews
Rating 8 - Good. 193 out of 1104 reviews
Rating 6 - Okay. 47 out of 1104 reviews
Rating 4 - Poor. 18 out of 1104 reviews
Rating 2 - Terrible. 9 out of 1104 reviews

Reviews

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
Very nice location
Stayed 3 nights in Jan 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

-
Stayed 1 night in Apr 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
Alt er som altid som det skal være i orden og meget venligt personale Er meget godt sted at besøge igen og igen vi kommer der tit og holder vores nytårs aften hvert år på dettte fantastiske sted Så de aller bedste anbefalinger her fra
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

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

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Meget flot hotel
Stayed 2 nights in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Dejligt værelse på 11. Fantastisk morgenmad og også en dejlig oplevelse i restauranten om aftenen. Og så er Sønderborg en dejlig by.
Stayed 2 nights in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Stort fint rum med bekväm säng. Lyxigt kaffe på rummet. Bra frukost med bra urval.
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
International klasse. Smukkeste udsigt, god service, dejligt værelse, flot spa og morgenmad helt i top. Kan ikke rose dette hotel nok.
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Dejligt hotel og meget rent
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, amenities, property conditions & facilities
Fed udsigt over fjorden fra 11. Etage
Stayed 1 night in May 2026
Verified review

10/10 Excellent

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