Goa being beach state of India is a lovely place, tourist friendly, where you need to explore a lot. Will share the following link written by Tripoto traveller regarding places to visit in Goa, see if it is suitable for your travel. https://www.tripoto.com/goa/trips/34-places-to-visit-in-goa-2019-sightseeingtourist-places-travel-teen-5d0a112eefe50 Here are some offbeat spots you might try to explore, Hollant beach
Mollem national park
Cola village
Arvalem falls
Mobor beach.