Pakistan’s strategic significance in the maritime sphere has been at the center of debate. Particularly with the on- going development “Port of Gwadar” and how it may crop a new profitable armature in the region and encyclopedically. Still, the broader significance lies in the 21st Century Maritime Silk Road (MSR) action by China that includes Port of Gwadar under China Pak Economic Corridor (CPEC), aiming to strengthen indigenous connectivity. In turn this study shows logical and descriptive approach for assessing theoretical substantiation to measure challenges to maritime security and how it may be affected by current challenges in the swell. Further, fabrics under transnational relations; regionalism, constructivism and critical security studies approach support the core argument “Challenges to maritime security of Pakistan”. The major finding of this study is apparent through collaborative security and how effective it has been in eradicating crimes in the swell. The major recrimination of this paper is to view challenges to maritime security as a coherent approach towards security and cooperation.