There are 9 coffee shops in Legian, and the median rating is 4.8. 8 clear 4.7. At that density the rating stops separating them and you are choosing on everything else. That is above the island-wide median of 4.7.
Money is not the constraint here. 7 start under Rp 50K a head, and none sit at the expensive end. The ratings do not suffer for it. The median band starts around Rp 25K.
This is a morning place: 6 open by 7am. 4 are still open at 10pm, which in Bali counts as late. The typical closing time is 8pm.
The busiest by a distance is Heavenly Chocolate Bali - Dewi Sri Legian, with 7.8k reviews. At the other end are the ones almost nobody has reviewed and everybody rates: COFFEE BRICK. Google will not show you these, because it ranks by confidence and confidence needs volume — which is the entire reason this guide exists.
Legian is Kuta with the volume down. It is the walkable middle of the south coast, and it is where you end up when Seminyak is full and Kuta is too much.
The median rating is 4.8 on Google, and 8 of the 9 sit at 4.7 or higher.
Typically around 7am, closing about 8pm. 9 are open by 8am and 4 are still going at 10pm.
The median band starts around Rp 25K a head. 7 start under Rp 50K.
COFFEE BRICK — all rated 4.6 or better with fewer than 150 reviews each.
Ordered by rating weighted against how many people have actually been.