Korean is the primary language; English, Japanese, and Chinese support are not confirmed.

• Korean language confirmed; English, Japanese, and Chinese language support status unknown
• No multilingual signage or translation menu information provided
• No audio guides, sign language guides, or other accessibility language aids documented
• Card payment accepted, which may assist non-Korean-speaking visitors
• Located in Jeju with regular tourist visitors, but language assistance details not specified

Based on language_support fields (korean=true; all other languages and multilingual features null). No data available for accessibility guides (audio_guide, sign_language_guide, etc.). Answer reflects confirmed Korean-only capability; other language support cannot be verified from input data.

Baeglogjip accepts card payments, but whether foreign cards work is not confirmed.

• Card payment is accepted at the restaurant
• Foreign card compatibility is not specified in available data
• Cash payment is an alternative option worth considering
• The restaurant is located in Jeju and serves fresh seafood
• Last order is at 22:00, with service until 23:00

Based on commerce.card_payment (confirmed true). Foreign card acceptance unknown (commerce.foreign_card_payment is null), and cash_only status is also null, so both payment types may be viable. Recommend calling ahead or having cash available.