1) Travel has options in st bus, catemarines from gateway of India and ofcourse by road.travelling by st bus can get bit uncomfortable for some people though.
2) traveling in rickshaw might burn a hole in the pocket ( rickshaw drivers dont follow Meter) .Minidor is an option.
3) Accommodation is not a problem, cost effective hotels to 3 star hotels, it would be a hassle free experience.
4) A resort called big splash is also a good option
5) A variety of food from local eatries are truely delicious and pocket friendly.
6) Mayur bakery, joshi vadewala are some famous, delicious options available in the city
7) A number of religious places are around the the place
8) There are also about 5 forts around the city
9) A number of beachs like akshi, khim, varsoli are a must visit
10) A Geomagnetic observatory is situated along the beach
11) Locals are not very gentle
12) All in all, its a great option for a long weekend.