This chapter examines the interaction between delineation and delimitation by exploring the following three issues. First, the approaches that coastal States take to coordinate their delineation and delimitation in order to smoothen the procedure of establishing the outer limits of the continental shelf through the Commission on the Limits of the Continental Shelf; second, the competence of international courts and tribunals to delimit the continental shelf beyond 200 nm in the absence of the recommendations of the CLCS, and third, the key to resolve the deadlock in the delineation procedure due to the objection raised by interested parties under the Rules of Procedure of the CLCS.