Info needed on line for boat and shore on one reel.

Hi all I got a penn squall 15 and I'm hoping to use it for shore fishing ( beach casting) and for boat fishing. The line info on it is mono 15lb/280yrds. . 17 / 240 20/190.
Braid. 20lb/500yrds. . 30/380. 50/270.

The problem is I'm not casting multi that long and I would like to put on the best line for both uses. A line capacity to suit boat and a line that will cast well . I hear braid can be hard work for casting on a multi and the info for mono is a bit shy in lenght for boat. What's the best for both jobs. Any help much appreciated .

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if it were me i would stay away from the braid for multi casting, you will be better off and should be able to cover most situations with the 190 yds of 20lb mono.

I started using my abu multi last year and have got fairly used of it by now
I've 15 lb mono on it. I use it on the boat if I'm fishing to 100 feet
Anymore than that ull be reeling in all day
I tried braid but it's not for me. 200 yards mono ll be plenty dan