More Discussions for this daf
1. Mechitzah 2. Pictures in Artscroll 3. Mavui Akum
4. Nailing-in a Mat in the Bend of a Mavoy Akum 5. Visible on the Outside but not Inside 6. Korah Heker
7. Tosfos DH ha'Kol 8. מניח הקורה באלכסון

Yakov Winer asked:

what is the Mechitzah?? the water or the wall of the sea?

The Kollel replies:

The wall is the Mechitzah. If it is not ten Tefachim at the shore it must at least be a Tel ha'Mislaket (an incline with a ratio of ten Tefachim height within four Amos distance).

D. Zupnik