Longboat Key Vacation Rental. Available Year Round. This vacation rental welcomes you to Seaside Garden Retreat. A relaxing Garden by the Sea, this resort offers all the luxuries of home. Relax by the swimming pool, walk along the beach (beach access a 5 minute walk) or shop at the nearby local merchants. Enjoy the lush landscaping and don't worry about parking, each unit offers 2 private spaces. Property Amenities include: 2 one bedroom, one bathroom cottages located opposite the pool.