If by "lure" you mean trigger a spawning I'm sad to report that the answer is no. Currently the only way to find them is to stumble on them. But they do end to spawn in the same spots so when you see one try and mark it on your map. Not sure what current spawn conditions are though, it was night and stormy last time I went hunting 6 months back but the devs might have changed that.

if you don't outrun them by a large lead Serpents will follow you a fairly long didstance so luring them to a kill zone isn't that hard. They will focus onthe baot so a Karve or Longboat is best for their high HPs, but I've used a raft for one that was really close to shore a few times.

Once you have one chasing you you can just let go of the rudder and fire off some arrows then grab the rudder again if needed. Flint arrows works but I've found Frost to be most effective if you have the mats for them. Also it might sound like the boat is going to explode any second but even a Karve can handle more aattacks than you think it will.

If you just want to meat you can kill them in open water since that part floats. If you want the scales or traphy you'll need to lure it into very shallow water as those items sink.

If you have an Abyssal Harpoon you can drag them onto shore, have some stam potions and a good meal in your belly for that because it burns stam rapidly.

The Harpoon is made from Chitin harvested from the Abyssal Barnicles on Leviathins. Its easy to get if you pay attention to the sounds the Leviathin makes and Levs are all over the place. Also one of those spawn points to track on your map as they will respawn there eventually. There are many clips on Youtube covering it.

Good hunting!