So-hi Campground, New York - Rates, Dates, Payment methotds, Discounts RATES, DATES, DISCOUNTS, PAYMENT METHODS: Our rates are $28 for two adults for a tent site. Tent sites with electricity are $36 for two adults. Rates for an RV site is $40 for two adults for a Full Hook-up site (water, electric, sewer) and $3 per child. RV Sites with water and electric are $38 for two adults and $3 per child.  An Additional adult is $15 and children are $3. Weekends and Holidays there is an additional $2. Reservations for holiday weekends are non-refundable.