There are several restaurants and terraces in the area, below is a small personal selection.
Cafe Restaurant De Eendracht
Hoogstraat 37, Abcoude and Grote Plein 5, Weesp
With meat from the Lindenhoff and a lovely terrace in the sun
Gein-Zuid 23, Abcoude sells local produce and serves breakfast and lunch
Rijksstraatweg 119, Loenen a/d Vecht star restaurant in a monumental farmhouse
Kerkstraat 1, Loenen a/d Vecht cozy and nostalgic restaurant on the church square
Experience it yourself and book a stay at Het Gein