One hotel per budget, picked for its pool. Rooftop, indoor or lap pool, heating, season and extras, with sources.
Checked: 2026-11-04
Best pool in the city: Das James. Rooftop pool of about 21 m plus indoor and outdoor pools in the spa, on the Flensburg Fjord.
LuxuryBest pool in the city
€403 / nightCity photo
Das James
★★★★★ · Flensburg-Sonwik harbour district (Fördepromenade 30)
The rooftop pool is about 21 metres long and sits in the spa, which has sauna and steam areas. A separate children's pool and an adults-only spa zone are also available.
Pool
Rooftop · Indoor · Outdoor
Length
21 m
Heated
Yes
Extras
Children's pool · Sauna · Steam room · Jacuzzi · Spa restaurant beside the pool
We could not confirm a hotel pool in this category.
4-star hotels
Budget
We could not confirm a hotel pool in this category.
3 stars or less
How we choose. We look only at the pool: rooftop, infinity, indoor or lap pool, size, heating and season, views, extras like a jacuzzi or pool bar, and what guests say about it. Categories follow the official star rating. Every fact comes from a public source listed under each hotel. Links to Booking.com are affiliate links: if you book, we may earn a commission at no cost to you.
City photo