You can also jump from the side of Tugboat to side of Cargo ship bypassing the stairs, but it's a little more tricky. Adding a ladder to the top of tugboat also adds more create ways to get on oil, for example getting on top of stairs directly instead of dock.

Source: https://twitter.com/playrust/status/1675892457014194176

Rust's monthly map wipe & mandatory update will be released this Thursday at 19:00 BST / 14:00 ET

Update includes:

🌊New Water System

⛴️Tugboats

🤿Abyss Item Store DLC Pack

🧚‍♀️Ferry Terminal

⬛Shader Improvements

🛠️Various Fixes & More!

Just a video testing out the new upcoming tugboat, as you can see you can live on it, allows u to place doors, bed/bag and even a turret appears to get powered.