Best practice - fetching places for applications with maps

hello.

let's want code app google maps one:
- when user scrolls screen information places in screen bounds.
- each place returned creates marker (annotation) on map, if user taps on, overlay place name , ">" button shown.
- when user clicks > button, sees page full information place.

question - best approach in such cases - when information places in screen bounds:
1) server returns all data each place (id, coordinates, name, details).
or
2) return id , coordinates of place, , when user taps marker, fetch data server ?


thanks.

 

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