Staff accommodation is usually pretty basic and varies between locations and roles. At some locations, you may be required to share a room, particularly in the high-peak seasons when there is extra staff onsite.
The accommodation itself ranges from shared apartments, donga-style rooms, pub-style rooms.
This is explained to you fully before you commit to a role. Most remote staff find that the environment around them and experience of living remotely far outweighs any shortfalls in accommodation standards.