Callaphe’s Compass
Wondrous item, common
Price: 60-225 gp | low sentimentality
This bronze compass has an image of waves inscribed on its back. When the compass is in or over water, its needle points toward the nearest piece of dry land. While on land, the needle spins wildly.
Paid
With the compass in hand, you can concentrate on the compass to specify a type of land—for example, land with food and water, large landmass rather than an island, etc.—and the needle points toward the nearest land that fits your criteria for the duration of your concentration.
Overpaid
When concentrating on the compass to specify a type of land, you hear a divine whisper in your mind estimating the distance to the land you specified, using general terms such as “close,” “within reach,” or “distant.”
Source: The Gray Merchant of Asphodel