@Alexander01998 would u consider adding Boat TP to wurst 1.8? Or making a standalone mod out of it?
how it worls: https://mcdf.wiki.gg/wiki/Java_Edition:Fast_Travel_Methods#Multiplayer
From 14w02c (1.8 snapshot) to 1.8.3, a bug existed within the dismount code that would not properly place players back into the world when a boat was killed (e.g. shot with an arrow). The server will accept any position packet that the client sends (including NaN and Infinity) in the game tick the boat is removed. The same cross server packet issue may be once again abused to trick the client into sending the position packets of the user's choice by first initiating a connection to the server to perform the teleport on, quickly canceling, and joining a second server to override the client's position. Once the boat is broken (one can use a variety of methods to break the boat, such as TNT, lava, a dispenser with arrows, or another player shooting the boat), the server will accept the spoofed client packet, and "teleport" the player.