It's a wacky place, with a number of improvisational actors/singers who entertain you in a themed environment. It is themed around a club for gentlemen explorers, and is full of exotic artifacts from their far-off travels. The comedy routines which take place in two or three venues within the club follow a general pattern but are mainly improvised, with lots of audience participation. There is also lots of ad hoc humour as the characters wander around the club. There is a bar serving a full range of drinks, and I find it a fun place to wander around, drink in hand, just looking at all the funny artifacts that adorn the walls.
I recommend you add it to your to-do list, and if you find it's not your cup off tea there will be lots of other things to do at Pleasure Island.
Regards
Rob