以下是根據 PADI 2016年教練手冊的內容：

8-9歲：4m

10-11歲：12m
（平靜水域和開放水域學員教練比 - 4:1
且團體裡不能有超過2位 10-11歲的學員
這比例不能因為增加了有證的助手而增加
學員獲取執照後，必須在家長/監護人的陪同或是PADI職業潛水員的陪同下潛水
(Confined Open Water and Open Water Dives Ratio – 4:1
No more than two children aged 10-11 in the group.
This ratio can not increase by adding certified assistants.
Depth – Maximum 12 metres/40 feet
After certification – Must dive with a parent/guardian or PADI
Professional to 12 metres/40 feet maximum depth)

12-14歲：
18m - Junior Open Water
21m - 考完 Open Water 後的接續課程
取得執照後，必須和成年的有執照潛水員一起潛水
Depth – Maximum 18 metres/60 feet for Junior Open Water
Divers. Maximum 21 metres/70 feet for continuing education.
After certification – Must dive with an adult certified diver

上OW課期間：
OW1和2 - 12m
OW3和4 - 18m
如果一天內三潛，最後一潛的最深不能超過12m。
在OW3之前的休閒潛水，最深不能超過12m。

Openwater Dives 1 and 2 – 12 metres/40 feet
Open Water Dives 3 and 4 – 18 metres/60 feet
When conducting three dives in one day, the maximum
depth for the last dive is 12 metres/40 feet.
Excursion dives taken before Dive 3 – 12 metres/40 feet