Mariyam Mukku offers a visually rich cinematic experience with its evocative portrayal of coastal life and a story rooted in local culture. The screenplay attempts to blend romance with elements of fantasy and folklore, which gives the film a unique narrative texture. However, the pacing is uneven; the first half is slow and contemplative, focusing on character establishment and setting the mood, while the second half picks up with more dramatic developments but sometimes feels disjointed.

The songs and music by Vidyasagar stand out as a highlight, complementing the film's emotional tone and enhancing the storytelling. The background score is subtle yet effective, supporting the film's mystical and romantic atmosphere without overpowering the scenes. Cinematography by Girish Gangadharan captures the natural beauty of the locale with finesse, adding to the film’s immersive quality.

Despite its artistic intentions, the film struggles with narrative coherence and fails to maintain consistent engagement throughout. The blend of realism and fantasy may not appeal to all viewers, and some plot points remain underexplored. Overall, Mariyam Mukku is a visually appealing film with commendable music but suffers from pacing issues and an uneven screenplay.

Fahadh Faasil: Delivering a nuanced and restrained performance, Fahadh embodies the brooding fisherman with subtlety and depth.

Sana Althaf: Sana brings a mysterious charm to her role as Mariyam, effectively portraying innocence and enigma.

Manoj K Jayan: Provides solid support with a convincing portrayal of a village elder.

Prathap Pothan: Adds gravitas to the narrative with his seasoned acting.