Bottle 1 - At the beginning blow up the silver elements in front of the cave (Marty).  Bottle 2 - Enter the cave to which access you unblocked while looking for the bottle number 1. You will get to the hidden cliff. Take the torch and scare the purple tentacle lying on the barrel. Then destroy the barrel. 
Bottle 3 - In the place where you found bottles number 1 and 2 (the hidden cliff behind the cave) use Jack's compass to discover the bottle. The treasure will be protected by the glass - Siren can destroy it.  Bottle 4 - In the same place where you found three previous bottles jump down from the cliff and repair the mechanism using a character with a hammer. 
Bottle 5 - On the left from the starting place you will find a hole in the wall which is hidden behind few bricks. Destroy them and go further as the dog. Get on the rock which is up - the bottle is right there.  Bottle 6 - From the starting location go down and left. You will find a big crystal - destroy it as Siren. 
Bottle 7 - Dive as Siren and swim towards the bubbles. Repair some bricks there and hit the chest.  Bottle 8 - As Sparrow get to the high tower - go around it. The bottle is on the hardly visible side. 
Bottle 9 - In the tower use Blackbeard's power to open the red and black door on the side. Inside you need to assemble the pomp and use the switches activated by the sword.  Bottle 10 - Enter the part of the tower with the equipment. Go upstairs. On the left there is a place to perform a double jump as the female character.