If you like the night life of any place, including Plymouth, then this place will eventually be a stop for you. Don't get me wrong, this place is the hot spot for the citys night-life, but this is also where the majority of trouble occurs.
Plymouth is a bit of a haven for drugs, and the strip of night-clubs along here is the favourite peddling ground.
What is more, kicking out time tends to result in a number of brawls. Police are always visible and on stand-by and trouble is often very limited and restricted, but it is always better to be aware of such things.
It is also very easy to get lost and go down one or more wrong turnings. It is very badly lit and could be possibly dangerous.
My advice is this - stay on the main road: Union Street, and do not leave it. There is plenty to see and do here and nothing off the beaten track, so stay on it
Do be careful when walking on the beach not to get cut of by the incoming tide.
Also the waves can get quiet rough, great for surfing but remember this is the Atlantic.
The coast line is so dangerous because of the sharp cliffs, the strong current and the wave, the weather is not always the clearest with rain and fog. There are a lot of shipwrecks year long.