The family climate in the families of seafarers is strongly influenced by the father's profession, beacuse it includes work and life far away from home and thus affects all aspects of seafarer's life as well as the life of his family. Children live in families that are periodically complete which can influence the family relations and psychosocial development of the child. Since seafarers are frequently absent for a couple of months, this research focuses on some aspects of relations between the adolescents and their parents. The aim of this research is examine the differences in the perceived parental behavior and quality of attachment to their parents from adolescent's point of view and parent's self assessment on their parental behavior and their parental competencies between mothers and fathers. Furthermore, to compare the independent assessments of parental behavior from both the parent and the adolescent and to examine the contribution of some social demographic characteristics of fathers and adolescents, characteristics of a seafarer's proffesion and variables which are linked to the relation of fathers and adolescents in the adolescent's assessment of the feeling of alienation from the fathers. The measuring methods used in this research are: Inventory of attachment to parents and peers, Questionnaire of parental behavior – 29, The parental competence scale. 49 families of seafarer's have participated in the research, which included mothers, fathers and adolescents (N=147) mostly from the county of Zadar. Based on the results of the research it has been established that adolescents perceive mother's behavior warmer and more controlling than the father's. Also, mothers perceive that they provide greater support to adolescents compared to fathers. Regarding assessments of attachment, adolescents report a better quality of communication and greater level of trust in their relations with the mother. Mothers consider themselves more competent parents and they are more satisfied with the parenthood than the fathers. The analysis show that there's a moderate level of correlation between the assessment of adolescents and the parental self assessment in various dimensions of parental behavior. Results of the hierarchical analysis show a considerable contribution of father's support and restrictive control in adolescent's alienation from their father. In other words, adolescents which perceive more support and less control from their fathers report lesser levels of alienation in their relation with the father.