Pirate Voyagers

A Minecraft pirate and fishing modpack where you and friends sail vast oceans, explore islands, complete quests, battle sea creatures and rival pirates, fish for rare loot, and build and upgrade your own pirate base as your crew grows.

Check out more content here: DigitalChaosTeam YouTube

To create the world generation you need to set the world type to warm islands (the last one)

If you want the full experience go to the physics mod patreon and try to download the forge 1.20.1 file. You will see join for free for a short time. Click it and then install the file. Now go to curseforge open the mods folder and drag in physics mod pro