From Chiwei to Dameisha, you can take Metro Line 7 and Line 2, and then transfer to bus M 196. The specific route is:

1. Walk about 10 meters to Chiwei Station, take Metro Line 7, and arrive at Huaqiang North Station after 2 stops.

2. Walk about 280 meters to Huaqiang North Station, take Metro Line 2, and pass 12 Station to Yantian Port West Station.

3. Walk about120m to Yantian Port West Subway Station, take bus M 196, and arrive at the beach station after 7 stops.

4. Walk about 340 meters to Dameisha Seaside Park.

The above route passes through 2 1 station, and the whole journey takes about 20 minutes 1 hour. If you have other questions or need more detailed route information, please consult the official customer service of Shenzhen Metro.