Nestled in its surroundings, Hotel 6400 offers a serene retreat with a garden and laundry facilities. Connect with WiFi and stay productive at the business center or take advantage of bike rentals to explore nearby.
Reviews
8.28.2 out of 10
Very good
Popular amenities
Laundry facilities
Free parking
Free WiFi
Non-smoking
Main amenities (12)
Daily housekeeping
Breakfast available
Business center
Terrace
Garden
Vending machine
Self-serve laundry
Meeting room
Luggage storage
Tour/ticket assistance
Banquet hall
Bike rental
Feel at home (6)
Cribs/infant beds (surcharge)
Private bathroom
Television
Garden
Terrace
Daily housekeeping
The current price is $127
$127
$159 total
includes taxes & fees
Apr 28 - Apr 29
Room options
Available filters for rooms
Showing 3 of 3 rooms
View all photos for Standard Double Room
Standard Double Room
Highlights
Heating
Flat-screen TV
Premium bedding
Private bathroom
Hair dryer
Satellite channels
Wardrobe or closet
Iron/ironing board
20 sq m
Sleeps 3
1 King Bed
View all photos for Comfort Double Room
Comfort Double Room
Highlights
Heating
Flat-screen TV
Premium bedding
Private bathroom
Hair dryer
Satellite channels
Wardrobe or closet
Iron/ironing board
20 sq m
Sleeps 3
1 King Bed
View all photos for Comfort Double Room Plus, Terrace
Hotel 6400 is a great choice for a stay in Sønderborg. Freebies like WiFi and self parking are added perks, and guests looking to stay active can check out the nearby hiking/biking trails. Other highlights at this eco-certified hotel include a terrace and a garden.
Languages
Danish, English, German
At a glance
Hotel size
48 rooms
Arriving/Leaving
Check-in start time: 3:00 PM; Check-in end time: anytime
Contactless check-in available
Minimum check-in age: 18
Check-out time is 11 AM
Contactless check-out available
Special check-in instructions
There is no front desk at this property
Guests can access their accommodation through a private entrance
Required at check-in
Credit card, debit card, or cash deposit required for incidental charges
Government-issued photo ID may be required
Minimum check-in age is 18
Pets
Pets not allowed
Internet
Free WiFi in public areas
Free WiFi in rooms
Parking
Free onsite self parking
Wheelchair-accessible parking and van parking on site
Other information
Smoke-free property
Property amenities
Food and drink
Buffet breakfast (surcharge) each morning 7:00 AM–9:30 AM
What to do
Hiking/biking trails nearby
Working away
Business center
Meeting room
Services
Tour/ticket assistance
Laundry facilities
Luggage storage
Bicycle rentals
Facilities
Garden
Terrace
Banquet hall
Accessibility
Elevator
Wheelchair-accessible parking
Wheelchair-accessible van parking
Wheelchair-accessible path to elevator
Wheelchair-accessible registration desk
Wheelchair-accessible lounge
Hand-held showerheads
Well-lit path to entrance
Room amenities
Be entertained
Flat-screen television
Satellite TV channels
Home comfort
Heating
Iron/ironing board
Sleep well
Premium bedding
Crib/infant bed (surcharge)
Freshen up
Private bathroom
Shower only
Free toiletries
Hair dryer
Towels
Stay connected
Desk
Free WiFi
Desk chair
More
Daily housekeeping
Mobile key entry
Special features
Awards and affiliations
Eco-Certified Property
This property participates in Green Key (Foundation for Environmental Education), a program that measures the property's impact on one or more of the following: environment, community, cultural-heritage, the local economy.
Fees & policies
Optional extras
Buffet breakfast is offered for an extra charge of approximately DKK 125 for adults and DKK 62.5 for children
Children & extra beds
Cribs/infant beds are available for DKK 250.0 per stay
Policies
Cashless transactions are available.
Also known as
Hotel 6400 Sonderborg
Hotel 6400 Hotel
Hotel 6400 Sønderborg
Hotel 6400 Hotel Sønderborg
Hotel 6400 Hotel
Hotel 6400 Sønderborg
Hotel 6400 Hotel Sønderborg
Frequently asked questions
Does Hotel 6400 offer free cancellation for a full refund?
Yes, Hotel 6400 does have fully refundable room rates available to book on our site. If you’ve booked a fully refundable room rate, this can be cancelled up to a few days before check-in depending on the property's cancellation policy. Just make sure to check this property's cancellation policy for the exact terms and conditions.
Are pets allowed at Hotel 6400?
Sorry, pets aren't allowed.
Is parking offered on site at Hotel 6400?
Yes, there's free self parking.
What are the check-in and check-out times at Hotel 6400?
Check-in start time: 3:00 PM; Check-in end time: anytime. Check-out time is 11 AM. Contactless check-in and check-out are available.
What is there to do at Hotel 6400 and nearby?
Have fun during the warmer months with activities nearby such as hiking. Hotel 6400 also has a garden.
What's the area around Hotel 6400 like?
Hotel 6400 is a short 15-minute walk from Flensburg Fjord and 14 minutes' walk from Sct. Paul's Church.
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Hotel 6400 Reviews
Reviews
8.2
Very Good
All reviews shown are from real guest experiences. Only travelers who have booked a stay with us can submit a review. We verify reviews according to our guidelines and publish all reviews, positive or negative.More informationOpens in a new window
8.4/10
Cleanliness
8.0/10
Staff & service
7.8/10
Amenities
8.2/10
Property conditions & facilities
8.0/10
Eco-friendliness
Reviews
10/10 Exceptional
Aug 20, 2024
It is a good property.
TUKARAM
TUKARAM, 6-night trip
10/10 Exceptional
Aug 14, 2024
Super alt ok
Benny
Benny, 1-night trip
6/10 Good
Apr 20, 2025
Verified traveler
2-night trip
10/10 Exceptional
Apr 19, 2025
Jakob
Jakob, 2-night trip
8/10 Very good
Apr 17, 2025
Rasmus
Rasmus, 1-night trip
6/10 Good
Apr 7, 2025
Godt værelse på praktisk hotel
3 nætter i dobbeltværelse med to senge. Udemærket værelse og behagelige senge. Godt og rummeligt badeværelse. Manglede køleskab på værelset. Morgenmad Max 2 stjerner. Tørt brød og meget begrænset udvalg.
Trine
Trine, 3-night trip
8/10 Very good
Apr 6, 2025
Super ophold, var på vandretur, og brugte det som base 😊
Karsten
Karsten, 2-night trip
8/10 Very good
Mar 31, 2025
Johnny
Johnny, 2-night trip
10/10 Exceptional
Mar 31, 2025
Theresa
Theresa, 1-night trip
10/10 Exceptional
Mar 30, 2025
Tone
Tone, 1-night trip
8/10 Very good
Mar 28, 2025
billig
viggo
viggo, 1-night trip
8/10 Very good
Mar 24, 2025
John
John, 1-night trip
8/10 Very good
Mar 19, 2025
Ferie
Har en god beliggenhed og der er meget hyggeligt
Henrik
Henrik, 3-night trip
10/10 Exceptional
Mar 18, 2025
SUPER HOTEL
Eneste jeg ikke syntes om er de skraldespande i har placeret lige ved ind/udgang, det er sgu en ommer.