For Kids! No participation fee! (Free Entry!)
5th 3×3 COASKA Bayside CUP Autumn
We will be holding a 3×3 basketball event at Coaska Bayside Stores!
【Date & Time】
Saturday, November 1, 2025 | 10:00 AM – 5:00 PM
*Postponed date due to inclement weather is Sunday, December 7, 2025.
*Detailed schedule is being worked out.
◆Morning Session
U-9 Mixed / U-12 Boys / U-12 Girls (5 minutes per game)
◆Afternoon Session
U-15 Boys / U-15 Girls
*Program is subject to change depending on the number of teams.
Please allow plenty of time for your visit.
【Venue】
COASKA Bayside Stores, 2nd Floor Seaside(ocean side) Deck
2-1-12 Honcho, Yokosuka-shi, Kanagawa
【Eligibility】
Entry Fee: Free
Participants: Elementary & junior high school students (ages 6–15)
Categories: U-9 Mixed / U-12 Boys / U-12 Girls / U-15 Boys / U-15 Girls
(Only U-12 Boys teams may include female players.)
Experience: Not required
Requirement: All participants must be covered by sports insurance (e.g. accident or injury coverage). Please arrange this before the event day.
【Participation Team】
Total 28 teams (at least 3 persons per team)
U-9 Mixed
U-12 Boys
U-12 Girls
U-15 Boys
U-15 Girls
【Game Format】
・Based on official 3×3 rules, with 5-minute games
・Court size: 14m × 10m (1 court)
・Hoop height
・U-9 & U-12: 260 cm (same as junior basketball)
・U-15: 305 cm (standard height)
・Ball size
・U-9 & U-12: Size 5
・U-15: Size 6.5
・Each team is guaranteed 2 games.
※ Match format may vary depending on the number of participating teams.
【Tournament Guidelines】
・All games will be played in a 3-on-3 format.
・No player registration is required. As long as a team has 3 or more players, there are no additional restrictions.
・Teams without uniforms will be provided with bibs.
・Participants are responsible for any injuries sustained during the tournament. Those not yet enrolled in sports insurance must arrange coverage in advance.
・Refereeing and official duties will be handled by event staff
・All game clocks will run continuously. No timeouts will be given.
・Substitutions are allowed up to three times, excluding cases of injury, and there is no minimum participation requirement.
(Note: Since the game clock doesn’t stop, we’ve imposed this substitution limit to ensure sufficient playing time. Thank you for your understanding.)
【Other】
There are no automatic cancellations. If you wish to cancel, please contact info3@crystarea.com by 12:00 PM on Friday, October 31.
If on the day of the event the tournament cannot be held due to weather conditions, disasters, or unforeseen accidents, we will notify the representative by email approximately 90 minutes before the scheduled start. Please understand that the decision to cancel rests solely with each facility or the organizers.
Please understand that any injuries sustained during the event will be at your own expense.
【Supporting Companies】
【Contact】
CRYSTAREA Office(Attn: Tsuchiya)
E-mail:info3@crystarea.com
【Application Form】