Minecraft wiki entry for Best_biomes_for_homes, associated text: Bridges can be built with lily pads.
The Depth Strider enchantment is helpful for traveling in water.
Beware of drowned; underwater visibility is lower in swamp water.
A boat can easily harvest lily pads; beware of drowned following you and entering your boat.
By adding a blue orchid to the mushroom stew recipe, you can craft suspicious stew instead, which is more than twice as nourishing and fully restores your saturation meter.