Great Island Inn: Private King Studio apartment in the heart of New Castle Island. Full kitchen, dishwasher, private en-suite bath with washer dryer. This apartment is NOT pet friendly. Parking is $29/night when booked through AirBnb. Parking is free when reserving at the hotel's site. The space Great Island Inn is a 12 unit apart-hotel. Housed in a newly renovated 1820s home on New Castle Island. We are a short 7 minute drive to lively downtown Portsmouth. The sandy beach at Great Island Common is a 3 block walk away. We are located directly next door to The Islander Cafe which serves breakfast and lunch. Parking is $29/night when booked through AirBnb. Parking is free when reserving at the hotel's site. Guest access Private, individual apartment. Parking is $29/night when booked through AirBnb. Parking is free when reserving at the hotel's site. Other things to note Pets are not permitted in this apartment.