Vegetables farming in Seashore

I am happy to join with this forum.
I would like to do vegetables farming. Land is located very near to seashore and available water is good. Planned area for vegetable farming is 2400Sqft. Planned area for fruit forming is 2400Sqft.
Please provide suggestions, what are all the vegetables i can do farming?  What are all the Fruits I can do farming?
What are all the pre activities I need to do?
What is all the periodic care I need to do after starts?
I am interested in Natural and Organic farming.

Land location - Near Rameshwaram
Many people do Jasmine flower forming at this place.