General
12 hours open sea fishing tour, only private boat available at CNY18000 for max. 8 guests.
About the Boat:
It is a professional fishing boat, 23.98 meters long, with an engine 550P*2 , and 2 generators 16Kw. endurance: 700 nautical miles, 10 fishing positions, equipped with seawater treatment system and freezers,
There is a captian, one sailor and one fishing guide on board with help. The cost includes the following services: mineral waters, noodles for lunch. Fishing tools are not included in the costs. One has to rent from the club at CNY1800/set including baits. 
The trip is about 52 nautical miles per way in about 3 hours, then the boat arrives at an oil rig. Back to the pier at 8pm.
More options available:
Sanya Group Fishing Tour, Sanya Discovery Fishing Tour in Sanya, Sanya Offshore Fishing Tour
Private open sea fishing: 3 days 2 nights by 80 feet yacht 80 nautical miles away;
Sanya Hainan China Travel Guide, Travel Guide to Sanya Hainan China by local based Tour OperatorLocation of Sanya Located at the very southern part of Hainan Island, and resting calmly in the warm waters of the South China Sea, Sanya is a big tropical city of China and the highlight of Hainan Island Holiday. Sanya