Ciputra Waterpark
Swim and have fun with water in Ciputra Waterpark (http://www.ciputrawaterpa...), a great place for swimming, it has a wave pool, slides, and more. This waterpark is located in the CitraLand complex. It is usually crowded on Saturdays, Sundays and other holidays. The waterpark is open until 8 pm.
Balai Pemuda
Enjoy the local arts at Balai Pemuda, an art center in the heart of Surabaya, near the City Hall. You can watch the Reog Dance and other art performance. The big event is Festival Seni Surabaya FSS, held every year on June. During the Dutch Colonial era, this building was a club called Simpangsche Societeit.
Get around the Old Town area Around Kembang Jepun to the port and enjoy the view of nice colonial buildings.
Surabaya has several golf courses. Try to golf in Bukit Darmo Golf (http://www.bukitdarmogolf...). This golf course is located in the elite housing area in West Surabaya. This course has 18 holes, designed by Jack Nicklaus II. Another alternative is Yani Golf. This course is built in hilly terrain and is the oldest course in town with the crypt of the last Dutch Governor on it. Otherwise, you can try Graha Famili golf course 18 holes, inside Graha Famili real estate site, near the Bukit Darmo Golf. Also Ciputra Golf found within Citraland Estate. For beginner, try Pakuwon Golf instead within Pakuwon Estate - a 18-hole par 3 course, the 'back nine' - just opened in 2011 - are quite challenging. There's also excellent Taman Dayu golf located about an hour drive south, towards Malang. There you also find the very nice course of Fina Golf. Another 9-hole Par 3 course can be found on the estate of Semen Gresik in the town of the same name. Generally Golf in Surabaya is both Great and Cheap if you compare with most other countries.
Watch movies in 21 Group cinemas, a nice cinema. 21 Cinemas have air-conditioners and nice seats. You can identify if a cinema is part of Group 21 from the last name, like Empire 21 or Tunjungan 21. And now there are also XXI which is still the same group of 21. The XXI cinema available at SUTOS Surabaya Town Square and Tunjungan Plaza. The XXI cinemas are more expensive than 21 Cinema. This is where you can see the schedule of the cinemas (http://21cineplex.com/the...). Beware of other cinemas , which are usually dirty, unsafe, and without air-conditioner.
Get special souvenirs of Surabaya at Roode Brug Soerabaia, Jl. Pucang Anom TImur 70. You can bring the memory of old Surabaya on a t-shirt, miniature of KRI Pasopati Sub Marine, replica of WWII army uniform, british helmets, Japanese helmets, KNIL helmets and old fashion clerk hats. You can also ask for heritage tour to kolonial buildings and kampong of Surabaya.