Feet in the sand lunch - La Gloriette on Grand Cul de Sac.
Singe the numbers off the credit card with beautiful views over St Jean - Sand Bar at the Eden Rock Hotel.
Lunch in a garden setting at one of the hottest restaurants on St Barth - Tamarin in Saline.
Lunch on the harbor - Côte Port in Gustavia
Lunch on a hilltop above Gouverneur with views of the surrounding isalnds - Santa Fé in Lurin
Lunch on the beach with takeout food - Maya's to Go next to the airport, beach of your choice for lunch.
Menus for many restaurants can be found at
http://www.alacarte-stbarth.comSand Bar's menu can be found at
http://www.edenrockhotel.com/media/78864/menu-sand-bar-lunch-january-2016.pdfTamarin's menu can be found at
http://www.tamarinstbarth.com/lunch/If none of the above appeal, perhaps you can give an idea of what you're looking for.