Find Your Cruise
I don't know which cruise you are going on but www. crusecritic.com/ports gives reviews of loads of ports and how to get about by yourself. Hope that helps .
Ask other passengers there is always someone who can tell you .there is some way of gtetting off the ship on your own atmost ports ive been on 3 cruises the forth one was cancelled and am still waiting for comp but iwill bstill recommend them.