A beach with a steep, sandy shoreline on which a ship may be careened(noun)
The expense of careening a ship(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "careenage" in a sentence
"Confirmation for the careenage at San Juan de Luz also appears in Spanish records; but chronology is again a problem."
"The schooner was hauled up to the head of the careenage, and on examination it appeared that every part of the vessel had been so strained by carrying sail, and so much damage had been done to her planks and timbers by worms, that she was good for nothing."
"We pulled around the principal fort, which is situated on a point of land, and entered a beautiful land - locked harbor, or careenage, where a number of vessels were lying at the wharves."