We require a deposit to hold your site or rental reservation. A daily resort fee of $3 and Maine sales tax will also be charged. Here are the deposit amounts for the 2009 season. Mt. Desert Narrows Length of Stay Deposit Amount 1 day pay in full 2 days $50 3 days $100 4-7 days $150 8 or more days $200 Rentals RV Trailer  $200 refundable damage deposit required at check-in  $250 Narrows Too Length of Stay Deposit Amount 1 day pay in full 2 days $50 3 days $100 4-7 days $150 8 or more days $200 Rentals Rustic Log Cabin  $200 refundable damage deposit required at check-in  $250 Patten Pond Length of Stay Deposit Amount 1 day pay in full 2 days $50 3 days $100 4-7 days $150 8 or more days $200 Rentals Eagle's Nest Apartment $200 refundable damage deposit required at check-in  $250 Rustic Camping Cabin $200 refundable damage deposit required at check-in  $250 Loon Cottage $200 refundable damage deposit required at check-in $250