Step 1: Recall the nature of sea water.
Sea water is slightly alkaline due to the presence of dissolved bicarbonates and carbonates.
Step 2: State the typical pH range.
The pH of sea water generally lies between
\[
\boxed{8.0 \text{ to } 8.3}
\]
Hence,
\[
\boxed{(B)}
\]
is the correct answer.