Wakasa Sinus is a sinus — a bay-shaped dark plain — on Titan, 146 km across, centred at 80.7° N, 90.0° E. It is the 107th largest named feature on Titan and the 4th largest of its class there.
Bay in Japan. The International Astronomical Union approved the name in 2015, under the theme it applies to every sinus on Titan. Of the 28 features of this class catalogued on Titan, the naming categories run Canada (3), Japan (2), Namibia (1), Scotland (1).
Titan scores 32.6 as a world. That number is the same for every square metre of it — but sunlight, water, radiation and the ground under your feet are not. This is the same question asked at 80.7° N, 90.0° E.
What this spot has going for it is water — inside the polar zone where Titan keeps its ice. What works against it is temperature — about -180 °C mean at this latitude.
Computed from Wakasa Sinus's catalogued latitude, longitude and feature class — 74% of the model's weight had a basis here, and 2 axes were dropped as not applicable to Titan (radiation geometry, earth link). Gravity, pressure, delta-v and distance from the Sun are the same everywhere on Titan and are already counted in the world's own index, not again here.
What this cannot see: elevation. Slope, local shadowing and the polar “peaks of eternal light” — ridge tops near the poles of a barely tilted world that catch sun almost continuously while a crater floor kilometres away never does — need a terrain model this does not have. Where a real mission targets a pole, that is usually why.
All 28 sinus on Titan — mapped together, with the naming theme and the size distribution.