Sriharikota is a barrier island in the Andhra Pradesh state of India. It is most famous as the home of India's only satellite launch center.
If you are planning to get to Sriharikota to watch a rocket launch and do not know anybody working at the Space Station, never mind. You could still watch the launch, although from outside the entrance of the Satish Dhawan Space Station. Stopping the jeep a little before the Space Station entrance will be the best thing to do. Alight from the jeep about half a kilometer before the Space Station and look straight in the direction of the Space Station entrance. The launch will be visible fairly well, and also audible more than fairly well.
On being permitted to enter the Satish Dhawan Space Station, one could tour the whole place and have a look at the launch vehicles and pads from up-close. Typically, without permission, one cannot enter the Space Station. The security during a launch is further beefed-up, however the launch can be watched from outside the Space Station itself.
Pulicat Lake is another destination close-by which can be visited for backwaters, migratory birds and boating
Rocket models, posters, fresh, yummy and cheap sea food from local fishermen, and that's all you can get here.
There is a canteen outside the Space Station where you will get water, soft drinks, biscuits etc.
There is a canteen outside the Space Station where you will get water, soft drinks, biscuits etc. However, it is suggested that you carry your own stuff from the nearest town Sullurupeta. The canteen is sometimes closed and all you can get is only water from the CISF personnel manning the entrance gate to SHAR.
Get out the way you came in. The Sullurpet-Srihariota road is the only road that touches Sriharikota and is the only way in and out of it.