Hello Lorraine. I would dress semi formal for the evening cruise and they're so nice. You have great food, service and music etc.
Very casual
Casual
Business casual, like casual Friday in a office
Thank you all for your answers.
Causal
Casual or semi dress
Casual is fine.
Casual attire is appropriate.
I agree with the others, casual attire would be fine.
Nice pants and shirt should do fine. People dress in all kinds of different attire. I say what you feel comfortable in.
Most people were dressed casual.
Thanks! Your answer is awaiting moderation.