Requirements: the chests will be received by players level 15+

The main reward is the Dubai Creek Club (4,600 coins, 2-4 energy, 2-4 pearls every 24 hours, size 8*9, can be placed anywhere)

Each chest can be opened for 9 Summer keys.

There are 3 ways to get Keys:

Completing the quest:

Youth Regatta I (3 keys)

Collect 12 Microphones (Pub, Upgraded Pub)
Collect 7 Duracell Batteries (from friends’ cities - buildings with a clock or coin)
Collect 8 Pumps (Water Tower, Upgraded Water Tower)

Youth Regatta II (3 keys)

Collect 22 Mini Fridges (Convenience store, Upgraded Convenience Store)
Collect 6 Screw wrenches (from friends’ cities - buildings with a clock or coin)
Collect 21 Floats (Summer House, Upgraded Summer House)

Youth Regatta III (4 keys)

Collect 20 Charms (German House, Upgraded German House)
Ask friends for 5 Winches
Collect 5 Barographs (School, Valley School)

2. Collect profits from the following buildings:

Central Station - 1 key every 24 hours;
Paleontological Museum - 1 key every 8 hours;
Blue Church - 2-3 keys every 22 hours;
Lyon Cathedral - 2-3 keys every 22 hours;
Solitude Palace - 2-3 keys every 22 hours.

3. Use the sale offer!

Blue Church: 4,200 coins, 2-3 energy, 1-3 pearls, 2-3 summer keys during the Dubai Creek Club chest event every 22 hours;

Lyon Cathedral: 4,100 coins, 1-3 energy, 2-3 pearls, 2-3 summer keys every 22 hours during the Dubai Creek Club chest event;

Solitude Palace: 4,300 coins, 1-3 energy, 2-3 summer keys every 22 hours during the Dubai Creek Club chest event;

Antwerp Central Station: 4,100 coins, 3-4 energy every 22 hours;

Wightwick Manor: 4,100 coins, 1-4 energy every 22 hours;

The State Chateau of Hluboká: 4,200 coins, 3-5 energy every 24 hours.