October - last edited November
All of the options sims should have for open water activities are missing from the water itself, which offers no options when clicked. (Open water means any water that's not a pool or made with the pond tool.) In the 32-bit versions, with all packs installed, sims had a number of options:
However, sims can use a taxi boat to travel from one island to another.
This was tested in a new clean folder with zero added content, all EPs installed, in Sunset Valley.