When is Islands of Adventure least crowded?

Generally, weekdays that avoid weekends and public holidays in Korea, Japan and China are the quietest. Pick a day with a low (green) crowd score on HanSanDay's 90-day calendar and you'll quickly find the least busy date within your travel window.

How far in advance can I see Islands of Adventure's crowd levels?

You can check the predicted daily crowd score (0–100) from today up to 90 days ahead. Tap any date to also see that day's attraction wait times and analysis.

Is the Islands of Adventure priority-entry pass worth buying?

It depends on the crowd forecast for that day. HanSanDay calculates the wait time you'd save, the value for money and the optimal route from the predicted crowd level, so you can tell whether the pass pays off that day. Check it by date on the pass analysis page.

IOA Crowd levels · 90-day preview

Tomorrow IOA is
67/100 A bit busy

The more people, the higher the score. From 0 (quiet) to 100 (very crowded), with Korean, Japanese, and Chinese holidays overlaid in one view.

Departure

2026.07.13 (Mon)

Return

2026.07.20 (Mon)

Find a quiet day

예시: 여름방학(7.21–8.20)추석 황금연휴 주말만

Tomorrow at IOAJun 13 (Sat)

Expected crowd score

67/100

A bit busy

0 QuietCrowded 100

Expected wait

60min

Share of Korean visitors

A bit busy

Expected weather

Showers·35° / 22°·Precipitation 44%

Quietest day this week

47/100

Average

Jun 12 (Fri)

Few families and a weekday, so lines are short. Popular attractions move quickly.

View this day

Busiest day this week

67/100

A bit busy

Jun 13 (Sat)

Best to avoid this day. Weekend plus a concentration of family visitors.

View this day

Express Pass

This pass, worth buying?

From that day's crowd forecast, we work out the value, wait saved, and best route. EP4 vs EP7 comparison, with closures and pick-one options auto-adjusted.

Pass comparisonValue ¥/minBest route

View pass analysis

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Jun 11 (Thu)·2 min read

Islands of Adventure's 3 Quietest Days in July — Weekdays Away From the July 4th Holiday

The three least-crowded days at Islands of Adventure in July are all weekdays. The trick is to dodge the July 4th (Independence Day) holiday weekend. Best picks: Thu July 30 and Wed July 15, tied at crowd score 34 (quiet, ~30 min wait).

#Islands of Adventure#Quiet Days

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