What are the benefits of civilization 5 along the coast of the capital?

Civilization 5 has many benefits along the coast of the capital.

Advantages of the capital's proximity to the sea: whether it is transporting grain to increase population or making money abroad, it can be connected with commercial routes. Under the new SP system, the city's trade amount is greatly influenced by the city's currency output, and the capital will always be the richest city. ) you can build a navy, and more buildings can enjoy more bonuses in the later period (for example, building a port, increasing commercial rights by 2, and adding an extra+15% gold. )

Advantages of not being near the sea: Double the available land, which can pave the city more conveniently and quickly (after all, immigrants can go in any direction).