Otakon 2025 Hotel Block Island. Otakon, founded in 1994, is an annual convention that takes place in the summer to celebrate asian pop culture (anime,. The marriott marquis will become available in the official otakon 2021 experient hotel block on monday, june 22, 2020, at 9am eastern.

The otakon 2025 hotel block is now open! The otakon 2025 hotel block will open on tuesday, august 13th at 12pm et!