How should I lay tile around an existing kitchen island? I can't start in the middle of the room because the...

I can't start in the middle of the room because the Island is nearby. The Island is not centered.
Answers:    Find the center of the room on either side of the island. Then calculate an offset inscribe that will clear the island. If your tile is 12" with the grout reciprocal, then fashion a mark 12" or 24" sour of the center point. Snap this line through, and start lay your tile along the line. Hope this help.
You find the center lines. You will need to appropriate very sensible measurements to determine the centerlines, but just take no notice of the island. Sometimes, because of the shape of the room, you cannot find a centerline which is center of everything. In that case, you own to consider the symmetry of the tile in the doorway(s). Many times you hold to make compromises on this and settle for some sort of an average. It is beneficial to make a amount drawing of the room to see how the tiles fall within the doorways. I make my drawings on the computer and it is invaluable contained by planning as I can move the entire block of tiles and see how it all lays out contained by the room as well as the doorways.