Where can I find a nightclub for 18+?
I think you'll enjoy @People By Crystal ... the heavy beats and killer view will make you go wild for the night
Where can I eat the best crab salad?
check out @Bocadillo Cafe they've got some crab salad for you... it pretty much exceeds whatever you expect because of it's rich taste.
Where can I make customized mugs?
You can paint your own mug your self at @Cafe Ceramique كافيه سيراميك
Where can I buy the best falafels?
No need to say but the best falafel place here is @Al Hallab, no question about it :)
Where can I find the best resturant?
For an Iranian (Persian) restaurant, there's no doubt it's @Anar try it if you haven't already because it's heaven in Dubai :)
