karasu aerial view of a boat on turquoise ocean with coastal protection structures.

protection structures underwater reflection turquoise highangle adapazari coastal sailing sakarya turkiye default horizon karasu aerial animal ocean small water coast shore beach view boat full shot wave reef fish sand blue sea bay aerial beach beautiful blocks blue boat calm coastal protection scenery colorful concrete drone drone engineering engineering projects environmental harbor high angle view holiday landscape marine nature ocean outdoor peaceful scenic sea life seawall serenity shore structures stunning summer top tourism tourism website tranquil travel travel brochure turquoise vacation vacation spot vessel vibrant water waves