Sailor

A ranger with the ability to cross any sea. The sailor is proficient with most things needed to move a ship and successfully navigate it through any waters. It is also capable of firing expertly with firearms.

Sea Rascal

At 3rd level, you gain proficiency with sea vehicles, cartographer's tools and navigator's tools. If you already had proficiency with these tools, you become expert instead, doubling your proficiency bonus when using them.

You also have advantadge on Wisdom (perception) checks you make to search for land while travelling by ship. If one of your favored terrains is Coast, you have all of its benefits while at sea.

Corsair

At 7th level, you gain one of the following features of your choice.

Dual Duelist

When you make an attack with a one handed melee weapon while wielding another weapon on the other hand, you can add your proficiency bonus to the damage of the next attack you make with the off hand weapon.

Knife Scoundrel

When you make an attack using any light weapon, you can force the opponent to succeed on a dexterity saving throw or become blinded. The DC for this saving throw is either your spell save DC or 8 + your proficiency bonus + your dexterity score, whichever is higher.

Sea Gunner

Whenever you make a ranged weapon attack on your turn, you deal an additional 1d4+1 damage. You don't need to spend an attack or action to reload firearms*.

Multiattack

At 11th level, you gain one of the following features of your choice.

Barrage

You can use your action to make a ranged attack against any number of creatures within 10 feet of a point you can see within your weapon’s range. You must have ammunition for each target, as normal, and you make a separate attack roll for each target.

Whirlwind Attack

You can use your action to make a weapon attack against any number of creatures within 5 feet of you, with a separate attack roll for each target.

Blessing of the Ocean

At 15th level, you gain a swimming speed  of 30 ft, if you don't already have a swimming speed. You can also cast Water Breathing at will, speak Aquan, and you add your wisdom modifier to your hit points per level.