협재해녀의집 primarily serves Korean-speaking customers; English, Japanese, and Chinese language support are not documented.

• Korean is the primary language of operation
• English, Japanese, and Chinese language support status unknown or unavailable
• No translated menus or multilingual signage documented
• Staff may have limited foreign-language capacity
• Visual menu items (seafood displays) may aid non-Korean speakers
• Translation app or visual communication recommended for ordering

Based on language_support fields (korean=true; english, japanese, chinese_simplified, chinese_traditional, multilingual_signage, translation_menu_available all null). No audio, video, or sign-language guides documented in accessibility fields. Answer reflects only confirmed data; gaps in language support documentation prevent a more detailed assessment.

Hyeonjae Haenyeo's House accepts card payments, but foreign card compatibility is not confirmed.

• Card payments are accepted at this establishment
• Foreign card payment compatibility is not documented
• Located in Jeju with standard restaurant operations
• Operates 10:00–21:00 daily except Mondays
• Specializes in seafood dishes including noodles and raw seafood

Based on commerce.card_payment (true). Foreign card acceptance cannot be confirmed as commerce.foreign_card_payment is not provided. No price_band or price_notes_ko details about payment methods. Recommend contacting the restaurant directly for foreign card confirmation.