Weekly Summer Rates Our 2025 Summer season runs from June 28th-August 30th. Pricing: $1950/week (Saturday-Saturday bookings) duneside Sandcastles easily fills the needs of everyone from individual couples to groups of up to 14 celebrating reunions of families or groups of friends. Learn more about duneside meadowside Sandcastles Beach House is a mere three minute walk along the path to the finest beach on the island. With our beach’s sandy, broad expanse and gentle slope it is perfect for family fun. Learn more about MEadowside