Table 1. Details and levels for attributes.

Attribute	Description	Future Possible Levels in 10 Years
Leisure Fish Catch	The average number of fish catch available during a recreational fishing trip after 10 years.	With protected areas: • 30% more fish catch • 15% more fish catch • Current conditions remain Without protected areas (Status Quo): • 15% fewer fish catch
Coral Coverage and Marine Biodiversity	The extent and health of the coral reefs and the number of marine biodiversity found in the Okinawan waters after 10 years.	With protected areas: • 30% more coral coverage and biodiversity • 15% more coral coverage and biodiversity • Current conditions remain Without protected areas (Status Quo): • 15% less coral coverage and biodiversity
Shoreline and Coastal Conditions	The extent of coastal development that includes beachfront construction of homes, hotels, restaurants and roads near or on coastal areas and the condition of the beach and shoreline after 10 years.	With protected areas: • 30% less development with more intact coastal shorelines • 15% less development and moderately intact coastal shoreline • Current conditions remain Without protected areas (Status Quo): • 15% more development with degraded shoreline
Contribution	A monthly contribution will be collected from all Okinawan residents to support the management of these protected areas.	With protected areas: • 100 yen (0.85 USD) per month • 200 yen (1.70 USD) per month • 400 yen (3.40 USD) per month • 600 yen (5.10 USD) per month • 800 yen (6.80 USD) per month • 1000 yen (8.50 USD) per month Without protected areas (Status Quo): • Zero