About Manta Carlos Islands
The Manta Carlos islands and the roughly 2.5 miles of ocean and sky around it on all sides, are in a sub-dimension called a limnal space. This space cannot be accessed or left by mundane means, requiring the use of some magical connection point to get to or from with any consistency. This does however mean that the island is much easier to access from other dimensions, even accidentally.
The largest of these islands, itself called Manta Carlos, is roughly 5,000 square miles (12,950 kilometers squared) and hosts a range of biomes ranging from warmer, temperate plains in the southern portion of the island to a mountain range along the northern portion. The island is heavily forested, with the forests becoming more wild and dense as one moves north.
Summers tend to be warmer, with an average high temperature of 81°F (27°C) with frequent rainfall and thunderstorms throughout. Winters tend to be colder, with the average high falling as low as 30°F (-1°C) in January and the city receiving as much as 20" (51cm) of snowfall. In the mountains to the north, the temperatures can drop even further in the winter and snowfall can reach 60" (1.5m).