I enjoy an Eagle L.
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Rollers are tough to learn to trust, the more faith that the disc is going to do what it's told, the easier they are to work into your choices. And if you're just learning and don't have 10 DX stingrays to practice with you're going about learning the slow way. And if you're just learning and haven't watched the DGmonthly video of Joe Mela showing you how to throw a backhand roller at Seneca you're also learning the slow way. (I bet Joe still has a stingray in his bag . . . )
Best roller disc is the Lightning #1 Roller. The name says it all. They wouldn't call it #1 Roller otherwise...
To the OP, what hole is it and where?
Oooh, learning to roll near water - very brave! I would definitely start w base plastics; as much as you field practice before playing that hole, the OAT monkey is sure to be calling the Lady-O-the-Lake!