The passage in question is a short description of an unknown location:
A strange place, filled with the smell of the sea and damp sand beneath our feet. The sky is grey with a distant horizon and sharp cliffs jut from the shore.
The genre of this passage is poetic realism. Poetic realism is a genre of literature that combines elements of both realism and poetry to create vivid descriptions. The passage, with its vivid imagery, is definitely a poetic realist work.
Realism in literature strives to portray the world as it is, without embellishment. Poetic realism does the same, but uses words and imagery to paint a picture that is evocative and vivid. The description of the strange location in this passage uses details of sight, smell and feel to bring it to life for the reader.
The passage also contains some elements of the surreal, as there is no indication of its location or any clues as to what might be happening there. This adds an air of mystery and a dream-like quality to the description.
In summary, this passage is best described as poetic realism. This genre is all about creating vivid and evocative images with words, and the passage in question is a perfect example of this.