This series of quests is Chapter 6 of Hawaiian Paradise and includes a total of 12 Quests.
FarmVille Hawaiian Paradise Chapter 6 Quests Master Guide
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FarmVille Hawaiian Paradise Chapter 6 Quest 1: Let Me Count The Ways
Requirements: Get 4 Love Sonnets, Harvest 55 Yellow Hibiscus & Harvest 20 Yellowfin Tuna
Rewards: 125 XP, Reading Chair & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 2: Set the Mood
Requirements: Get 6 Romantic Musics, Harvest Island Aviary Twice & Make Inamona 3 Times
Rewards: 150 XP, Piano Tent & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 3: Pop Goes the Question
Requirements: Get 8 Engagement Rings, Harvest 90 Double Pikake & Harvest 2 Island Horse Paddocks
Rewards: 175 XP, Diamond Ring Tree & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 4: A Wedding Planner
Requirements: Get 9 Wedding Invitations, Harvest 95 Hilo Pineapple & Harvest 1 Diamond Ring Tree
Rewards: 200 XP, Flower Sheep & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 5: Blossoming Romance
Requirements: Get 9 Bridal Bouquets, Harvest 100 Yellow Hibiscus & Make 3 Pineapple Sunrises
Rewards: 225 XP, Bridal Sheep & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 6: A Lovely Veil
Requirements: Get 9 Bridal Veils, Harvest 90 Oyster Beds & Make Inamona 3 Times
Rewards: 250 XP, Hawaiian Wedding & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 7: The Heat is On
Requirements: Get 9 Volcano Mitts, Harvest 145 Yellow Hibiscus & Complete 1 Islan Livestock Pen
Rewards: 275 XP, Dark Lava Pool, 10x Volcano Monitors & 1000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 8: A Hot Time Tonight
Requirements: Get 9 Safety Helmets, Harvest Island Aviary 2 Times & Make 4 Plantation Iced Teas
Rewards: 300 XP, Dark Lava Geyser, 10x Volcano Monitors & 1500 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 9: A Lava-ly Day
Requirements: Get 9 Lava Blobs, Harvest 155 Hawaiian Orchids & Improve Volcano Reef to Level 7
Rewards: 325 XP, Volcano Ram, 10x Volcano Monitors & 2000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 10: Pearls Before Dive
Requirements: Get 10 Weight Belts, Harvest 125 Oyster Beds & Harvest 60 Kelp
Rewards: 350 XP, Rain Cloud & 2500 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 11: Basket Case
Requirements: Get 11 Oyster Baskets, Harvest 260 Oyster Beds & Make Seaweed Soup 4 Times
Rewards: 375 XP, Sea Krait Snake & 5000 Farm Coconuts
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FarmVille Hawaiian Paradise Chapter 6 Quest 12: Shelling Out
Requirements: Get 12 Oyster Knives, Harvest 270 Oyster Beds & Harvest 2 Aquariums
Rewards: 500 XP, Moon Horse & 10,000 Farm Coconuts