Travel Support +353 (1) 223 2727
Secure booking flow Partner terms apply Cancellation and refund clarity before completion Technology provider, not the travel service provider Contact and legal information available
Live availability Wonderful

Alsik Hotel & Spa

21 Nørre Havnegade Sønderborg, Denmark

Check live availability

Compare live room options, prices, cancellation rules and partner terms before you continue to booking.

Live prices are provided by selected travel partners. Final terms are confirmed before completion.

Price & booking clarity

Prices and availability are provided by selected travel partners. Final price, payment terms, cancellation rules and refund conditions are shown before completion. Bigmedia24 Dynamics Ltd. provides the technology platform and is not the travel service provider.

  • Partner terms apply to bookings and cancellations
  • Secure payment flow is shown before booking completion
  • Cancellation and refund rules are displayed for the selected offer
  • Contact, legal and support information remain available during travel planning
Indicative price from 381.00 EUR Live availability

Hotel highlights

Destination Sønderborg, Denmark
Indicative starting price Indicative price from 381.00 EUR
Room choice 6 room types listed
Popular features Coffee/tea maker, Shower, Safety deposit box

About this property

Swimming pool
Restaurant
Sauna
Family rooms
Pets allowed
Fitness facilities

Good to know about this hotel

About this hotel

Alsik Hotel & Spa is a 4-star waterfront hotel at Nørre Havnegade 21-25 in central Sønderborg, overlooking Alssund and forming part of Frank Gehry's masterplan for the harbourfront. The property has 190 rooms and suites and is particularly suited to wellness breaks, couples, families, business travellers and city stays. Its principal facility is the 4,500-square-metre Alsik Nordic Spa & Wellness, spread across four floors with pools, saunas, steam facilities, treatments, fitness and yoga. Three restaurants, conference facilities and free Wi-Fi are also confirmed. Sønderborg Castle and the railway station are both within walking distance.

Hotel Style
4-star waterfront spa hotel
Area Type
Central Sønderborg waterfront
Wi-Fi
Free in guest rooms
Wellness
4,500 m² spa across four floors

Best for

  • Wellness stays centred on Alsik Nordic Spa & Wellness and its pool, sauna and treatment facilities
  • Couples combining spa time, waterfront walks and dining in central Sønderborg
  • Families using family rooms and designated children's access periods in the spa pool facilities
  • Business travellers attending conferences, meetings and events in the hotel's dedicated event spaces
  • Car-free city stays with Sønderborg Castle, harbour attractions and the railway station within walking distance
Location & surroundings

Alsik Hotel & Spa occupies a central position on Sønderborg's redeveloped harbourfront beside Alssund. The surroundings mix contemporary waterfront architecture with the compact historic town centre, cultural venues, restaurants and walking routes along the water. Sønderborg Harbour is approximately 400 metres away, Sønderborg Castle about 1 kilometre away on foot and Alsion around 1.3 kilometres away. Sønderborg railway station is approximately 13 minutes' walk from the hotel and provides direct rail connections towards several Danish cities. The independent Havnens P-hus stands opposite the hotel for drivers. Most central sights are practical on foot, while a car is useful for Dybbøl, Gråsten and wider southern Jutland.

Nearby attractions
  • Multikulturhuset – approximately 190 metres: Modern waterfront cultural centre housing Sønderborg Library and spaces for exhibitions, events and community activities; published distance type not stated.
  • Sønderborg Harbour – approximately 400 metres walking distance: Central waterfront area with promenades, marina views, restaurants and connections towards the historic town.
  • Mølleparken – approximately 700 metres walking distance: Public green space providing an outdoor break between the harbourfront and central residential streets.
  • Sønderborg Castle – approximately 1 kilometre walking distance: Historic waterfront castle dating back to the Middle Ages and now housing a museum of South Jutland history.
  • Den Gule Strand – approximately 1.2 kilometres walking distance: Public shoreline area south of the harbour; it is not a private hotel beach.
  • Alsion – approximately 1.3 kilometres walking distance: Waterfront complex housing cultural, educational and concert facilities, including the South Jutland Symphony Orchestra.
  • Dybbøl Mill – approximately 2.6 kilometres: Historic windmill and museum associated with the 1864 Battle of Dybbøl; published distance type not stated.
Local travel tips
  • Explore central Sønderborg on foot because the harbour, Sønderborg Castle and several cultural venues lie within approximately 1.3 kilometres of the hotel.
  • Use Sønderborg railway station for onward journeys without a car; the station is approximately 13 minutes away on foot.
  • Drivers should use Havnens P-hus opposite the property rather than describing it as hotel parking, because the garage is independently operated by APCOA.
  • For Dybbøl Mill, Dybbøl Banke Battlefield and attractions farther into southern Jutland, a bicycle, taxi or car is more practical than relying solely on walking.
  • Book spa access and treatments in advance during weekends and busy periods, as admission is capacity controlled and standard room rates do not automatically include spa access.
What to know before booking
  • Access to Alsik Spa Pool and Nordic Spa is not automatically included with every room rate; inclusions depend on the booked package and should be checked on the reservation confirmation.
  • The multi-storey car park opposite the hotel is independently operated by APCOA. Parking is free for the first two hours, then DKK 16 per hour up to DKK 140 per 24 hours.
  • Children have restricted spa access periods: hotel guests aged 0-6 use the Kids Pool, while those aged 7-16 may use the Alsik Spa Pool during designated family times with an adult.
  • Dogs are permitted only in designated dog-friendly rooms selected as part of the reservation, and dogs are not allowed inside the hotel's restaurants.
Best time to visit

Late spring through early autumn is particularly suitable for walking along Sønderborg's waterfront, visiting the castle and exploring the surrounding coast. Summer offers the longest days but is also the busiest leisure period. Spring and autumn are generally quieter for city sightseeing. Winter brings colder, darker conditions but works well for spa-focused stays. Major local events and Danish holiday periods can increase demand, so restaurant and spa reservations are advisable.

Full quick facts
Hotel Style:Contemporary waterfront spa hotel with 190 rooms and suites
Star Rating:4 stars
District / Neighbourhood:Central Sønderborg harbourfront
Destination Type:Waterfront city centre
Nearest Airport:Sønderborg Airport
Distance to Airport:Approximately 8 kilometres; map-calculated distance in current property information
Nearest Major Transport:Sønderborg railway station approximately 13 minutes' walk
Beach Access:No private hotel beach; public Den Gule Strand is accessible on foot
Beach Distance:Den Gule Strand approximately 1.2 kilometres walking distance
Historic or Main Centre Distance:Hotel is on the central waterfront; Sønderborg Castle approximately 1 kilometre walking distance
Languages:Danish and German confirmed
Parking:Independent APCOA multi-storey car park opposite hotel; first 2 hours free, then DKK 16 per hour, maximum DKK 140 per 24 hours; EV charging available
Wi-Fi:Free Wi-Fi in guest rooms; free property Wi-Fi is confirmed
Family Friendly:Yes; family rooms and designated children's spa periods with a Kids Pool are confirmed
Accessibility:Step-free entrance, lift, wheelchair-accessible reception, public bathroom, restaurant, business centre and routes to lifts are confirmed; some limitations may apply
Pet Friendly:Yes; dogs are accepted in designated dog-friendly rooms booked in advance and are not allowed in the restaurants
Frequently asked questions

Where exactly is Alsik Hotel & Spa located?

The official hotel address is Nørre Havnegade 21-25, 6400 Sønderborg, on the central waterfront overlooking Alssund. The supplied address of Nørre Havnegade 21 refers to the same property.

Is access to Alsik Nordic Spa included with every hotel stay?

No. Standard accommodation does not automatically include access to Alsik Spa Pool or Nordic Spa. Spa access is included only when stated in the selected package or reservation confirmation.

Can children use the spa facilities?

Yes, during designated family periods for hotel guests. Children aged 0-6 use the Kids Pool, while guests aged 7-16 can use the Alsik Spa Pool when accompanied by an adult.

Is parking available at Alsik Hotel & Spa?

An independently operated APCOA multi-storey car park stands opposite the hotel and connects to the building by a covered walkway. Current parking costs are DKK 16 per hour after the first two free hours, capped at DKK 140 per 24 hours.

Can guests walk to Sønderborg Castle and the railway station?

Yes. Sønderborg Castle is approximately 1 kilometre away on foot, while Sønderborg railway station is about 13 minutes' walk from the hotel.

Are dogs allowed at Alsik Hotel & Spa?

Yes. Dogs are accepted in specially designated dog-friendly rooms that must be selected when booking. Dog beds, food and water bowls are provided, but dogs are not permitted inside the hotel's restaurants.

Summary

Alsik Hotel & Spa suits wellness breaks, couples, families and business stays on Sønderborg's central waterfront. Its major strengths are the extensive Nordic spa, restaurants, free Wi-Fi and walkable access to the castle and station. Spa admission depends on the booked package, and parking is independently operated.

Location

Sønderborg, Denmark

Rooms & availability Room types with price first

6 room types listed

Junior Suite

Max. 3 guests 45 sqm
The suite has 1 bedroom and 1 bathroom with a walk-in shower and free…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Hair dryer
  • + 29 more features
Guide price
381.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email

Junior Suite, 1 King Bed

Max. 2 guests 45 m2
1 King Bed 484 sq feet Layout - Bedroom and sitting area Internet - Free WiFi…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Air conditioning
  • + 30 more features
Guide price
381.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email

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

Max. 2 guests 33 m2
1 King Bed 355-sq-foot room with sea views Internet - Free WiFi Entertainment…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Air conditioning
  • + 26 more features
Guide price
381.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email

Premium Ocean View

Max. 2 guests 25 sqm
Featuring free toiletries and bathrobes, this double room includes a private…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Hair dryer
  • + 27 more features
Guide price
448.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email

Premium Double Room, 1 King Bed

Max. 2 guests 25 m2
1 King Bed 269-sq-foot room with sea views Internet - Free WiFi Entertainment…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Air conditioning
  • + 27 more features
Guide price
756.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email

Standard Double Room

Max. 2 guests 25 sqm
Featuring free toiletries and bathrobes, this double room includes a private…
  • Coffee/tea maker
  • Shower
  • Safety deposit box
  • TV
  • Telephone
  • Hair dryer
  • + 28 more features
Guide price
756.00 EUR
Guide price last updated 10 June 2026 · select dates for a live total
Taxes and fees are confirmed in the live offer
Partner terms apply Final terms before booking
Secure booking No hidden fees Confirmation by email