maybe some of the possible solutions:
1. Maybe turn arte into an island and like start park, add spar arenas, trade tables, hospital, digging area, spawn mush and trash, mail job.
2. Move start park and combine it with arte.
3.Arte's also too big, could it be possible to turn it into just one or two buildings? then add floors or rooms then a map outside to the respective shops.
4.bring back old arte but include a new job or activity that can only be done inside arte such as fishing or some mini games.
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Actually, we don't like the old digging place either after you brought it back, the shell spawn rate is so low that it's better to dig at aimpoint island or in some pk areas, I went to check the place right now with 1.6k players online, it's almost deserted, with only less than 5 players digging, half of them are idle,might be because of the time and the day, idk.