In this work the infrastructure of the Klaipeda port, its basic purposes and opportunities of development is analysed. The main and future projects of development of an infrastructure, problems of their introduction, factors, which influence development of an infrastructure, are considered. Time of feedback of an infrastructure is long and consists of 20 and more years therefore it is important to plan it in right way. Tendencies, ways and opportunities of development of an infrastructure should be based on general country economical development perspectives because infrastructures is quite expensive, and any investments should be proved and have economical benefit. Development of technological elements basically depends on the present and possible cargo streams. Therefore economical and technological aspects constantly should be analyzed and on their basis to be selected optimum of plans for development. Problems of port financing, market liberalization should be solved by perfection of legal acts, which regulate management of port.