MANHATTAN OCEAN CLUB 57 West 58th Street (between 5th & 6th Avenues) "Fish doesn't come any better" than at this Midtown seafooder that's "tops in its class" with "not a bad dish in the place" and a "quiet, understated beauty" in the "great NY tradition of power dining"; it's like flying first class -- "you get what you pay for." $56 is the average per person cost for a beverage, entree, tax and gratuity. All major credit cards are accepted. Formal to casual dress code. No smoking allowed.   Lunch Mon through Fri Noon to 4:00 PM Dinner Mon through Fri 4:00 PM to 11:30 PM Sat & Sun 5:00 PM to 11:30 PM