Wandoor is a small village near the southern tip of South Andaman. It has some beaches and a couple of accommodation options and is a nice place to relax, but it is more known as the gateway to the Mahatma Gandhi Marine National Park.
From Mahatma Gandhi Marine National Park you will get boats to Jolly Buoy (Boat charges Rs 650/- per person both ways, including Rs 50 for forest permit to Jolly Buoy and Rs 25/- for camera).
At Jolly Buoy you will get to see corals (red, blue, sponge corals etc). Also you will be able to see life within these corals (particularly zebra fish). There is another island called Red Skin Island. Both Jolly Buoy and Red Skin remains open for tourists for 6 months alternately. Tourists Wandoor + Jolly Buoy/Red Skin is a day trip. Night stay not required. Boats from Jolly Buoy would return by 3 pm and then you can watch the sunset at Wandoor beach and return to Port Blair by bus.
Flora and fauna
Corals at jolly Buoy are simply mesmerizing. Also please do not litter, throw bottles/paper/food at Jolly Buoy. Please try to keep the island clean. Just for an information, coral grow at the rate of 1 inch in every 10 years. So please try to keep the island clean.
In March/April (best time to go there) its generally very hot and humid. But the scenic beauty and landscape will soothe it. Do wear sunscreen and sunglasses. Also wear a cap. You can carry an umbrella while you walk. Carrying food and water for Jolly Buoy trip is must.
There are a few small food stalls operated by the locals, serving basic food, eggs and some groceries. There are a couple of new resorts/hotels at Wandoor, like Sea Princess or Anugama resorts which offer other specialitiies. A lot of Indian tourists come to Wandoor during the season to visit Jolly Buoy or Red Skin islands. There have been many entries in Wikitravel that there is no food or drinks available at Wandoor. This is absolutely false. THERE IS FOOD AND REFRESHMENTS AVAILABLE. PLEASE DON'T BRING YOUR FOOD AND THEN THROW ALL TH RUBBISH ON THE BEACH. KEEP WANDOOR AND THE ANDAMANS CLEAN!
There is a tap near the village, carry bottled water if possible. There is a lot of coconut water around to sustain.
The Tsunami of 2004 affected mostly the Nicobar islands. There have been a lot of exaggerated reports about the damage done. When in the Andamans, take everything you hear with a pinch of salt. Wandoor has a very natural setting and the beaches and islands there are fantastic. Go see for yourself. the best part is that you don't need to get on a ferry to get there. It is only about 40 minutes by road!