San Marino has a land area of 61.19 square kilometres (23.63 sq mi), negligible water area (three rivers and a small man-made lake ~3600 sq km) and a population of 34,042.
Seattle has a land area of 217.54 sq km (83.99 sq mi), 150.43 sq km of water (58.08 sq mi), and a population of 784,777.