The purpose of this study is to identify the strong points and weak points of the ESP textbooks Bahasa Inggris Maritim dan Perikanan Paket Keahlian: Teknika Kapal Penangkapan Ikan Kelas X Semester I (BIMP I) and Bahasa Inggris Maritim dan Perikanan Paket Keahlian: Teknika Kapal Penangkapan Ikan Kelas X Semester II (BIMP II) through the evaluation using the theory of ESP textbooks evaluation by Cunningsworth (1995). In addition, recommendations are also provided to accommodate the weaknesses. This study is a qualitative research in which the writer read both ESP textbooks BIMP I and BIMP II and used content analysis to analyze the textbooks. Through the evaluation of both the ESP textbooks BIMP I and BIMP II, the writer discovered 10 strong points and 9 weak points. To accommodate the weak points, several recommendations are given by the writer which includes revised overall and learning objectives, revised table of content, new and revised instructions for role playing and communicative speaking exercises, and references for individual study skills. This present study would hopefully make several noteworthy contributions to the quality improvement of both BIMP I and BIMP II textbooks.