Download Groupon —- search NYC as the location search “dinner”. You can get discounts on dinner say a $100 dinner for $60 if u catch a day there’s a 20% off promo. If u don’t want her to know about the Groupon voucher just get up to use the restroom and pay. There’s a lot of good deals you just need to look!

They have dinner cruises that takes care of 3-4 hrs and includes music, sight seeing, dinner and non alcoholic beverages.

You can also find a bunch of activities to do on Groupon that are affordable.

If you don’t wanna spend too much money on food. Do a nice picnic in a park. Get some sandwiches, some drinks & some good snacks! There’s also some free activities you can find.

The rooftop idea is nice too!